1. Danish Concussion Center, Copenhagen, Denmark
2. Department of Psychology, University of Copenhagen, Copenhagen, Denmark
3. Department of Neurology, Bispebjerg-Frederiksberg University Hospital, Copenhagen, Denmark
4. Center for Rehabilitation of Brain Injury, Copenhagen, Denmark
5. The Danish Concussion Association, Copenhagen, Denmark
6. Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
7. Chiropractic Knowledge Hub, Odense, Denmark
8. Musculoskeletal Health and Implementation, Department of Medicine, Aalborg University, Aalborg, Denmark
9. Pain Science Educator, Aarhus, Denmark
10. Danish College of Optometry, Dania Academy, Randers, Denmark
11. Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
12. Hammel Neurorehabilitation Centre–University Clinic for Neurorehabilitation, Aarhus University, Aarhus, Denmark
13. Alleens Physiotherapy and Sports Clinic, Odense, Denmark
14. Danish Headache Center, Rigshospitalet-Glostrup, University of Copenhagen, Copenhagen, Denmark
15. Exercise and Health Training Center, Roskilde Municipality, Roskilde, Denmark
16. Callesen Method Consulting, Copenhagen, Denmark