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Bråndal, A., Stålnacke, B.-M. & Johansson, G. (2026). Patient satisfaction with hospital-based outpatient rehabilitation after stroke in Sweden and its association with life satisfaction and health-related quality of life: a longitudinal national register study. Journal of Rehabilitation Medicine, 58, Article ID jrm43966.
Open this publication in new window or tab >>Patient satisfaction with hospital-based outpatient rehabilitation after stroke in Sweden and its association with life satisfaction and health-related quality of life: a longitudinal national register study
2026 (English)In: Journal of Rehabilitation Medicine, ISSN 1650-1977, E-ISSN 1651-2081, Vol. 58, article id jrm43966Article in journal (Refereed) Published
Abstract [en]

Objective: To examine stroke survivors’ satisfaction with hospital-based outpatient rehabilitation and its association with life satisfaction and health-related quality of life (HRQoL), and whether sex and age affect possible associations. 

Design: A longitudinal national register study. 

Methods: Data from the Swedish national quality register were used and included 1,068 patients with stroke performing outpatient rehabilitation. Self-reported questionnaires collected on admission, discharge, and at 1-year follow-up were analysed. Regression analyses were used to assess possible associations between patient satisfaction and life satisfaction (Life Satisfaction Questionnaire, LiSat-11) and HRQoL (EuroQol Five Dimensions questionnaire, EQ-5D).

Results: Over 71% of the included patients were satisfied with their rehabilitation process on discharge. Satisfied patients also reported higher scores on global LiSat-11 and higher EQ-5D values. Older patients (> 58 years) satisfied with their rehabilitation process were more likely to be satisfied with global LiSat-11. Women dissatisfied with the rehabilitation process had lower EQ-5D values on discharge.

Conclusion: Patient satisfaction with hospital-based outpatient rehabilitation was associated with life satisfaction and HRQoL. Potential differences linked to sex and age support the importance of individually tailored rehabilitation strategies. Evaluating self-reported outcomes and experiences over time is essential for improving long-term recovery and for further development of person-centred stroke rehabilitation.

Place, publisher, year, edition, pages
Medical Journals Sweden AB, 2026
Keywords
health, personal satisfaction, quality of life, stroke, outpatient rehabilitation
National Category
Occupational Therapy Health Care Service and Management, Health Policy and Services and Health Economy
Identifiers
urn:nbn:se:umu:diva-250008 (URN)10.2340/jrm.v58.43966 (DOI)001669606800002 ()41536033 (PubMedID)
Funder
The Swedish Stroke AssociationSwedish Association of Persons with Neurological DisabilitiesRegion Västerbotten
Available from: 2026-02-17 Created: 2026-02-17 Last updated: 2026-02-17Bibliographically approved
Crafoord, C. & Johansson, G. (2026). Physiotherapists' and occupational therapists' perspectives on challenges and opportunities for equitable stroke rehabilitation in northeastern Tanzania: a qualitative study. Disability and Rehabilitation, 1-14
Open this publication in new window or tab >>Physiotherapists' and occupational therapists' perspectives on challenges and opportunities for equitable stroke rehabilitation in northeastern Tanzania: a qualitative study
2026 (English)In: Disability and Rehabilitation, ISSN 0963-8288, E-ISSN 1464-5165, p. 1-14Article in journal (Refereed) Epub ahead of print
Abstract [en]

Purpose: Low- and middle-income countries worldwide, including Africa, are facing rising incidences of stroke and increased need for stroke rehabilitation. This study aimed to explore rehabilitation professionals' perceived challenges and opportunities for achieving equitable stroke rehabilitation in northeastern Tanzania.

Materials and methods: In this descriptive qualitative study, semi-structured individual interviews were conducted with eight physiotherapists and four occupational therapists. An interview guide covering the theme of stroke rehabilitation was used. The face-to-face interviews were audio recorded, transcribed verbatim, and analysed using inductive qualitative content analysis.

Results: The overarching theme Raising awareness of rehabilitation while overcoming systemic barriers for stroke rehabilitation was based on five categories: 1) Influenced by the cultural context, 2) Awareness of rehabilitation opportunities, 3) Economic and social resources, 4) Inequitable accessibility to healthcare, and 5) Lack of coordination and consensus in healthcare structure. The therapists expressed multidimensional needs to facilitate rehabilitation after stroke.

Conclusions: Main challenges included systemic barriers within the environment, resources, and healthcare structure. Possible assets included advocacy for rehabilitation, community solidarity, and creative use of self-made aids and adaptations. Furthermore, the development of a culturally adapted national guideline and expanding the National Health Insurance Fund could facilitate more equitable care and rehabilitation services.

Place, publisher, year, edition, pages
Taylor & Francis, 2026
Keywords
interviews, low- and middle-income countries, occupational therapy, physical therapy, rehabilitation, Stroke
National Category
Occupational Therapy Physiotherapy
Identifiers
urn:nbn:se:umu:diva-254350 (URN)10.1080/09638288.2026.2672276 (DOI)001772248600001 ()42159269 (PubMedID)2-s2.0-105039654904 (Scopus ID)
Available from: 2026-06-08 Created: 2026-06-08 Last updated: 2026-06-11
Johansson, G. M. & Öhberg, F. (2025). Augmented feedback in post-stroke gait rehabilitation derived from sensor-based gait reports: a longitudinal case series. Sensors, 25(10), Article ID 3109.
Open this publication in new window or tab >>Augmented feedback in post-stroke gait rehabilitation derived from sensor-based gait reports: a longitudinal case series
2025 (English)In: Sensors, E-ISSN 1424-8220, Vol. 25, no 10, article id 3109Article in journal (Refereed) Published
Abstract [en]

Wearable sensors are increasingly used to provide objective quantification of spatiotemporal and kinematic parameters post-stroke. This study aimed to evaluate the practical value of sensor-based gait reports in delivering augmented feedback and informing the development of home training programmes following a 2-week supervised intensive intervention after stroke. Four patients with chronic stroke were assessed on four occasions (pre- and post-intervention, 3-month, and 6-month follow-ups) using clinical gait tests, during which a portable sensor-based system recorded kinematic data. The meaningfulness of individual changes in gait parameters was interpreted based on established minimal detectable change values (MDC). Three participants improved their gait speed, joint angles, and/or cadence in the Ten-Metre Walk Test, and three participants improved their walking distance in the Six-Minute Walk Test. The improvements were most evident at the 3-month follow-up (with the most obvious changes above MDC estimates) and indicated the reappearance of normal gait patterns, adjustments of gait patterns, or a combination of both. Participants showed interest in and understanding of the information derived from the gait reports (ratings of 5–10 out of 10). In conclusion, augmented feedback derived from gait reports provides a valuable complement to traditional clinical assessments used in stroke rehabilitation to optimize treatment outcomes. 

Place, publisher, year, edition, pages
MDPI, 2025
Keywords
augmented feedback, gait, kinematics, stroke, wearable sensors
National Category
Neurology Physiotherapy
Research subject
Neurology
Identifiers
urn:nbn:se:umu:diva-239896 (URN)10.3390/s25103109 (DOI)001496898100001 ()40431901 (PubMedID)2-s2.0-105006694072 (Scopus ID)
Funder
Region Västerbotten
Available from: 2025-06-10 Created: 2025-06-10 Last updated: 2025-06-11Bibliographically approved
Otterstedt, C., Strömsten, L. M. J., Sandlund, J. & Johansson, G. M. (2025). Motor proficiency of persons with attention deficit hyperactivity disorder or autism spectrum disorder diagnosed in adulthood. Disability and Rehabilitation, 47(2), 445-451
Open this publication in new window or tab >>Motor proficiency of persons with attention deficit hyperactivity disorder or autism spectrum disorder diagnosed in adulthood
2025 (English)In: Disability and Rehabilitation, ISSN 0963-8288, E-ISSN 1464-5165, Vol. 47, no 2, p. 445-451Article in journal (Refereed) Published
Abstract [en]

Purpose: To compare (1) motor proficiency of persons diagnosed in adulthood with attention deficit hyperactivity disorder (ADHD) or autism spectrum disorder (ASD) with normative values of motor proficiency, and (2) motor proficiency between persons with ADHD and those with ASD diagnosed in adulthood.

Methods: A total of 153 adults (median age 32 years, 36% women) participated in this cross-sectional study. Fifty-three persons with predominately inattentive presentation (ADHD-I), 67 persons with combined presentation (ADHD-C), and 33 persons with ASD performed the Bruininks-Oseretsky Test of Motor Proficiency (BOT-2). One-sample binominal tests were used to compare motor proficiency against standardized norms of BOT-2 for young adults. One-way ANOVAs and Kruskal-Wallis tests were used to compare test outcomes between the groups.

Results: The total sample showed significantly impaired motor proficiency in comparison to norms in all test domains (p < 0.001-0.006), except for fine motor skills. The ASD group showed significantly poorer body coordination compared with the ADHD-I and ADHD-C groups, with a moderate effect size (p = 0.003-0.02, η2 = 0.061).

Conclusions: Motor proficiency is impaired in most persons with ADHD or ASD diagnosed in adulthood, suggesting that motor assessment should be included in clinical examinations of adults with suspected neurodevelopment disorders.

Place, publisher, year, edition, pages
Taylor & Francis Group, 2025
Keywords
adults, Attention deficit hyperactivity disorder, autism spectrum disorder, Bruininks-Oseretsky test of motor proficiency, Life Sciences & Biomedicine, motor skills, Rehabilitation, Science & Technology
National Category
Neurosciences Psychiatry
Identifiers
urn:nbn:se:umu:diva-225115 (URN)10.1080/09638288.2024.2340123 (DOI)001205387600001 ()2-s2.0-85190957023 (Scopus ID)
Funder
Region Västerbotten
Available from: 2024-05-28 Created: 2024-05-28 Last updated: 2025-01-12Bibliographically approved
Nedergård, H., Schelin, L., Liebermann, D. G., Johansson, G. & Häger, C. (2022). Core Sets of Kinematic Variables to Consider for Evaluation of Gait Post-stroke. Frontiers in Human Neuroscience, 15, Article ID 820104.
Open this publication in new window or tab >>Core Sets of Kinematic Variables to Consider for Evaluation of Gait Post-stroke
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2022 (English)In: Frontiers in Human Neuroscience, E-ISSN 1662-5161, Vol. 15, article id 820104Article in journal (Refereed) Published
Abstract [en]

Background: Instrumented gait analysis post-stroke is becoming increasingly more common in research and clinics. Although overall standardized procedures are proposed, an almost infinite number of potential variables for kinematic analysis is generated and there remains a lack of consensus regarding which are the most important for sufficient evaluation. The current aim was to identify a discriminative core set of kinematic variables for gait post-stroke.

Methods: We applied a three-step process of statistical analysis on commonly used kinematic gait variables comprising the whole body, derived from 3D motion data on 31 persons post-stroke and 41 non-disabled controls. The process of identifying relevant core sets involved: (1) exclusion of variables for which there were no significant group differences; (2) systematic investigation of one, or combinations of either two, three, or four significant variables whereby each core set was evaluated using a leave-one-out cross-validation combined with logistic regression to estimate a misclassification rate (MR).

Results: The best MR for one single variable was shown for the Duration of single-support (MR 0.10) or Duration of 2nd double-support (MR 0.11) phase, corresponding to an 89–90% probability of correctly classifying a person as post-stroke/control. Adding Pelvis sagittal ROM to either of the variables Self-selected gait speed or Stride length, alternatively adding Ankle sagittal ROM to the Duration of single-stance phase, increased the probability of correctly classifying individuals to 93–94% (MR 0.06). Combining three variables decreased the MR further to 0.04, suggesting a probability of 96% for correct classification. These core sets contained: (1) a spatial (Stride/Step length) or a temporal variable (Self-selected gait speed/Stance time/Swing time or Duration of 2nd double-support), (2) Pelvis sagittal ROM or Ankle plantarflexion during push-off, and (3) Arm Posture Score or Cadence or a knee/shoulder joint angle variable. Adding a fourth variable did not further improve the MR.

Conclusion: A core set combining a few crucial kinematic variables may sufficiently evaluate post-stroke gait and should receive more attention in rehabilitation. Our results may contribute toward a consensus on gait evaluation post-stroke, which could substantially facilitate future diagnosis and monitoring of rehabilitation progress.

Place, publisher, year, edition, pages
Frontiers Media S.A., 2022
Keywords
biomechanical evaluation, gait analysis, instrumented gait analysis, stroke, walking
National Category
Physiotherapy
Identifiers
urn:nbn:se:umu:diva-193224 (URN)10.3389/fnhum.2021.820104 (DOI)000766862000001 ()35282157 (PubMedID)2-s2.0-85126196837 (Scopus ID)
Funder
Swedish Research Council, 2016-02763Region VästerbottenKonung Gustaf V:s och Drottning Victorias Frimurarestiftelse
Available from: 2022-03-22 Created: 2022-03-22 Last updated: 2025-02-11Bibliographically approved
Johansson, C., Lindström, B., Forsgren, L. & Johansson, G. M. (2020). Balance and mobility in patients with newly diagnosed Parkinson's disease: a five-year follow-up of a cohort in northern Sweden. Disability and Rehabilitation, 42(6), 770-778
Open this publication in new window or tab >>Balance and mobility in patients with newly diagnosed Parkinson's disease: a five-year follow-up of a cohort in northern Sweden
2020 (English)In: Disability and Rehabilitation, ISSN 0963-8288, E-ISSN 1464-5165, Vol. 42, no 6, p. 770-778Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: The presence of early balance impairment in patients with Parkinson's disease has not been fully investigated.

PURPOSE: The purpose of this study was to examine balance and mobility, self-perceived unsteadiness, self-reported falls, and effects of medication on balance among patients at their first visit to a neurological clinic and during the ensuing five years.

MATERIALS AND METHODS: The participants were collected from a prospective longitudinal study. One hundred and forty-five patients with idiopathic Parkinson's disease and 31 healthy controls were included. The outcome measures were the Berg Balance Scale, the Timed Up and Go, the Postural Stability test and a questionnaire.

RESULTS: At their first visit to the neurological clinic, the patients performed less well on the Berg Balance Scale (p < 0.001, r = 0.36), the Timed Up and Go (p < 0.001, r = 0.32), and the Postural Stability test (p < 0.001, r = 0.35) compared with the controls. In addition, a higher percentage of the patients reported self-perceived unsteadiness (p < 0.001, phi = 0.47). During the ensuing five years, balance and mobility worsened both with and without medication (p < 0.01, r = 0.24-0.37), although with small median differences.

CONCLUSIONS: Further studies are needed to confirm that minor balance impairments exist even at the time of diagnosis and worsen during the ensuing five years. IMPLICATIONS FOR REHABILITATION Impairments in balance and mobility may occur early in Parkinson's disease, especially in the elderly patients, and seem to worsen during the first five years. There is a need to use sensitive outcome measures and to ask the patients about unsteadiness and falls to detect balance impairment in this cohort. Parkinsonian medication has a limited effect on balance and may preferably be complemented with balance exercises to target balance impairment early in Parkinson's disease.

Place, publisher, year, edition, pages
Taylor & Francis, 2020
Keywords
Parkinson’s disease, balance, exercise, falls, parkinsonism, postural instability
National Category
Neurology
Research subject
Neurology
Identifiers
urn:nbn:se:umu:diva-155392 (URN)10.1080/09638288.2018.1509240 (DOI)000519894000004 ()30451551 (PubMedID)2-s2.0-85057306811 (Scopus ID)
Available from: 2019-01-15 Created: 2019-01-15 Last updated: 2024-07-02Bibliographically approved
Bäcklund, T., Öhberg, F., Johansson, G., Grip, H. & Sundström, N. (2020). Novel, clinically applicable method to measure step-width during the swing phase of gait. Physiological Measurement, 41(6), Article ID 065005.
Open this publication in new window or tab >>Novel, clinically applicable method to measure step-width during the swing phase of gait
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2020 (English)In: Physiological Measurement, ISSN 0967-3334, E-ISSN 1361-6579, Vol. 41, no 6, article id 065005Article in journal (Refereed) Published
Abstract [en]

Objective: Step-width during walking is an indicator of stability and balance in patients with neurological disorders, and development of objective tools to measure this clinically would be a great advantage. The aim of this study was to validate an in-house-developed gait analysis system (Striton), based on optical and inertial sensors and a novel method for stride detection, for measuring step-width during the swing phase of gait and temporal parameters.

Approach: The step-width and stride-time measurements were validated in an experimental setup, against a 3D motion capture system and on an instrumented walkway. Further, test-retest and day-to-day variability were evaluated, and gait parameters were collected from 87 elderly persons (EP) and four individuals with idiopathic normal pressure hydrocephalus (iNPH) before/after surgery.

Main results: Accuracy of the step-width measurement was high: in the experimental setup mean error was 0.08 +/- 0.25 cm (R = 1.00) and against the 3D motion capture system 0.04 +/- 1.12 cm (R = 0.98). Test-retest and day-to-day measurements were equal within +/- 0.5 cm. Mean difference in stride time was -0.003 +/- 0.008 s between Striton and the instrumented walkway. The Striton system was successfully applied in the clinical setting on individuals with iNPH, which had larger step-width (6.88 cm, n = 4) compared to EP (5.22 cm, n = 87).

Significance: We conclude that Striton is a valid, reliable and wearable system for quantitative assessment of step-width and temporal parameters during gait. Initial measurements indicate that the newly defined step-width parameter differs between EP and patients with iNPH and before/after surgery. Thus, there is potential for clinical applicability in patients with reduced gait stability.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2020
Keywords
gait, swing phase, step-width, inertial measurement unit, wearable, optical sensor
National Category
Neurosciences
Identifiers
urn:nbn:se:umu:diva-173753 (URN)10.1088/1361-6579/ab95ed (DOI)000548816000001 ()32442989 (PubMedID)2-s2.0-85087528902 (Scopus ID)
Available from: 2020-07-31 Created: 2020-07-31 Last updated: 2024-07-02Bibliographically approved
Johansson, G. M. & Häger, C. K. (2019). A modified standardized nine hole peg test for valid and reliable kinematic assessment of dexterity post-stroke. Journal of NeuroEngineering and Rehabilitation, 16(1), Article ID 8.
Open this publication in new window or tab >>A modified standardized nine hole peg test for valid and reliable kinematic assessment of dexterity post-stroke
2019 (English)In: Journal of NeuroEngineering and Rehabilitation, E-ISSN 1743-0003, Vol. 16, no 1, article id 8Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Impairments in dexterity after stroke are commonly assessed by the Nine Hole Peg Test (NHPT), where the only outcome variable is the time taken to complete the test. We aimed to kinematically quantify and to compare the motor performance of the NHPT in persons post-stroke and controls (discriminant validity), to compare kinematics to clinical assessments of upper extremity function (convergent validity), and to establish the within-session reliability.

METHODS: The NHPT was modified and standardized (S-NHPT) by 1) replacing the original peg container with an additional identical nine hole pegboard, 2) adding a specific order of which peg to pick, and 3) specifying to insert the peg taken from the original pegboard into the corresponding hole of the target pegboard. Eight optical cameras registered upper body kinematics of 30 persons post-stroke and 41 controls during the S-NHPT. Four sequential phases of the task were identified and analyzed for kinematic group differences. Clinical assessments were performed.

RESULTS: The stroke group performed the S-NHPT slower (total movement time; mean diff 9.8 s, SE diff 1.4), less smoothly (number of movement units; mean diff 0.4, SE diff 0.1) and less efficiently (path ratio; mean diff 0.05, SE diff 0.02), and used increased scapular/trunk movements (acromion displacement; mean diff 15.7 mm, SE diff 3.5) than controls (P < 0.000, r ≥ 0.32), indicating discriminant validity. The stroke group also spent a significantly longer time grasping and releasing pegs relative to the transfer phases of the task compared to controls. Within the stroke group, kinematics correlated with time to complete the S-NHPT and the Fugl-Meyer Assessment (rs 0.38-0.70), suggesting convergent validity. Within-session reliability for the S-NHPT was generally high to very high for both groups (ICCs 0.71-0.94).

CONCLUSIONS: The S-NHPT shows adequate discriminant validity, convergent validity and within-session reliability. Standardization of the test facilitates kinematic analysis of movement performance, which in turn enables identification of differences in movement control between persons post-stroke and controls that may otherwise not be captured through the traditional time-based NHPT. Future research should ascertain further psychometric properties, e.g. sensitivity, of the S-NHPT.

Place, publisher, year, edition, pages
BioMed Central (BMC), 2019
Keywords
Clinical laboratory techniques, Outcome assessment, Stroke, Upper extremity
National Category
Physiotherapy
Identifiers
urn:nbn:se:umu:diva-155494 (URN)10.1186/s12984-019-0479-y (DOI)000455641600001 ()30642350 (PubMedID)2-s2.0-85059950743 (Scopus ID)
Funder
Västerbotten County CouncilThe Swedish Brain Foundation
Available from: 2019-01-18 Created: 2019-01-18 Last updated: 2025-02-11Bibliographically approved
Bäcklund, T., Öhberg, F., Grip, H., Johansson, G. & Sundström, N. (2018). O 035 - A novel method to measure step width during the swing phase of gait. Gait & Posture, 65, 71-72
Open this publication in new window or tab >>O 035 - A novel method to measure step width during the swing phase of gait
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2018 (English)In: Gait & Posture, ISSN 0966-6362, E-ISSN 1879-2219, Vol. 65, p. 71-72Article in journal (Refereed) Published
Place, publisher, year, edition, pages
Elsevier, 2018
National Category
Physiotherapy
Identifiers
urn:nbn:se:umu:diva-203638 (URN)10.1016/j.gaitpost.2018.06.053 (DOI)30146313 (PubMedID)2-s2.0-85052087299 (Scopus ID)
Available from: 2023-01-19 Created: 2023-01-19 Last updated: 2025-02-11Bibliographically approved
Johansson, G. M., Grip, H., Levin, M. F. & Häger, C. (2017). The added value of kinematic evaluation of the timed finger-to-nose test in persons post-stroke.. Journal of NeuroEngineering and Rehabilitation, 14, Article ID 11.
Open this publication in new window or tab >>The added value of kinematic evaluation of the timed finger-to-nose test in persons post-stroke.
2017 (English)In: Journal of NeuroEngineering and Rehabilitation, E-ISSN 1743-0003, Vol. 14, article id 11Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Upper limb coordination in persons post-stroke may be estimated by the commonly used Finger-to-Nose Test (FNT), which is also part of the Fugl-Meyer Assessment. The total movement time (TMT) is used as a clinical outcome measure, while kinematic evaluation also enables an objective quantification of movement quality and motor performance. Our aims were to kinematically characterize FNT performance in persons post-stroke and controls and to investigate the construct validity of the test in persons with varying levels of impairment post-stroke.

METHODS: A three-dimensional motion capture system recorded body movements during performance of the FNT in 33 persons post-stroke who had mild or moderate upper limb motor impairments (Fugl-Meyer scores of 50-62 or 32-49, respectively), and 41 non-disabled controls. TMT and kinematic variables of the hand (pointing time, peak speed, time to peak speed, number of movement units, path ratio, and pointing accuracy), elbow/shoulder joints (range of motion, interjoint coordination), and scapular/trunk movement were calculated. Our analysis focused on the pointing phase (knee to nose movement of the FNT). Independent t or Mann-Whitney U tests and effect sizes were used to analyze group differences. Sub-group analyses based on movement time and stroke severity were performed. Within the stroke group, simple and multiple linear regression were used to identify relationships between TMT to kinematic variables.

RESULTS: The stroke group had significant slower TMT (mean difference 2.6 s, d = 1.33) than the control group, and six other kinematic variables showed significant group differences. At matched speeds, the stroke group had lower accuracy and excessive scapular and trunk movements compared to controls. Pointing time and elbow flexion during the pointing phase were most related to stroke severity. For the stroke group, the number of movement units during the pointing phase showed the strongest association with the TMT, and explained 60% of the TMT variance.

CONCLUSIONS: The timed FNT discriminates between persons with mild and moderate upper limb impairments. However, kinematic analysis to address construct validity highlights differences in pointing movement post-stroke that are not captured in the timed FNT.

Keywords
Stroke, Kinematic assessment, Arm, Hand, Validity
National Category
Physiotherapy
Identifiers
urn:nbn:se:umu:diva-132345 (URN)10.1186/s12984-017-0220-7 (DOI)000394720500001 ()28183337 (PubMedID)2-s2.0-85011949084 (Scopus ID)
Available from: 2017-03-10 Created: 2017-03-10 Last updated: 2025-02-11Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0003-1351-4425

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