1. University Health Care Research Center, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
2. Sportrehab Sports Medicine Clinic, Gothenburg, Sweden
3. Occupational and Environmental Medicine Center, Department of Health, Medicine and Caring Sciences, Unit of Clinical Medicine, Linköping University, Linköping, Sweden
4. Department of Health, Medicine and Caring Sciences, Unit of Physiotherapy, Linköping University, Linköping, Sweden