1. The Multidisciplinary Pain Center and Department of Anaesthesia, Pain and Respiratory Support, The Neuroscience Center, Copenhagen University Hospital Rigshospitalet, Glostrup, Denmark
2. Department of Clinical Medicine, Faculty of Health and Medical Sciences, The University of Copenhagen, Copenhagen, Denmark
3. Copenhagen Center for Arthritis Research (COPECARE), Center for Rheumatology and Spine Diseases, Center of Head and Orthopaedics, Copenhagen University Hospital Rigshospitalet, Glostrup, Denmark
4. Department of People and Technology, Roskilde University, Roskilde, Denmark
5. Faculty of Health, Department of Public Health, Aarhus University, Aarhus, Denmark
6. Department of Paediatrics and Adolescent Medicine and Department of Gynaecology and Obstetrics, Copenhagen University Hospital Amager Hvidovre, Hvidovre, Denmark
7. Copenhagen Pain Clinic, Copenhagen, SV, Denmark
8. CRPS Clinic, Department of Neurology, The Neuroscience Center, Copenhagen University Hospital Rigshospitalet, Glostrup, Denmark
9. Department of Regional Health Research, Faculty of Health Sciences, The University of Southern Denmark, Odense, Denmark
10. Department of Orthopaedic Surgery, Zealand University Hospital, Koege, Denmark