1. Research and Communication Unit for Musculoskeletal Health (FORMI) , Oslo University Hospital, Ullevål , Oslo , Norway
2. Department of Neurology , Oslo University Hospital , Oslo , Norway
3. Institute of Clinical Medicine , Faculty of Medicine, University of Oslo , Oslo , Norway
4. Faculty of Health Science , OsloMet - Oslo Metropolitan University , Oslo , Norway
5. Department of Work Psychology and Physiology , National Institute of Occupational Health , Oslo , Norway
6. Institute of Physiotherapy, Faculty of Health Science , Oslo and Akershus University College , Oslo , Norway
7. Department of Pain Management and Research, Faculty of Medicine , University of Oslo, Oslo , Norway
8. Norway Institute of Clinical Medicine, Faculty of Medicine , University of Oslo , Oslo , Norway
9. Department of Neuromedicine and Movement Science , Norwegian University of Science and Technology , Trondheim , Norway