1. Faculty of Medicine and Health, University Health Care Research Center, Örebro University, Örebro, Sweden
2. Faculty of Medicine and Health, The Swedish Institute for Disability Research (SIDR), Örebro University, Örebro, Sweden
3. Faculty of Health and Occupational Studies, University of Gävle, Gävle, Sweden
4. Faculty of Medicine and Health, School of Health Sciences, Örebro University, Örebro, Sweden