1. Faculty of Medicine and Health Sciences, Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
2. Faculty of Medicine and Health Sciences, Department of Public Health Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
3. Department of Physical and Rehabilitation Medicine, University Hospital Ghent, Ghent, Belgium
4. Faculty of Political and Social Sciences, Department of Sociology, Ghent University, Ghent, Belgium
5. Faculty of Psychology and Educational Sciences, Department of Special Needs Education, Ghent University, Ghent, Belgium
6. Division of Occupational Therapy, Karolinska Institutet, Stockholm, Sweden
7. National Multiple Sclerosis Centre Melsbroek, University Hospitals Leuven, Leuven, Belgium