1. Department of Rehabilitation Science and Health Technology, Faculty of Health Science, OsloMet—Oslo Metropolitan University, Oslo, Norway
2. Research and Communication Unit for Musculoskeletal Health (FORMI), Division of Clinical Neuroscience, Oslo University Hospital, Oslo, Norway
3. Department of General Practice, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
4. Center for Muscle and Health, University of Southern Denmark, Odense, Denmark