1. National Rehabilitation Center for Neuromuscular Diseases (RCFM), Kongsvang Allé 23, 8000 Aarhus, Denmark
2. Department of Public Health, Faculty of Health, Aarhus University, Aarhus, Denmark
3. Research Unit of User Perspectives, Institute of Public Health, University of Southern Denmark, Odense, Denmark
4. National Rehabilitation Center for Neuromuscular Diseases (RCFM), Aarhus, Denmark