1. Department of Sports Science and Clinical Biomechanics University of Southern Denmark Odense Denmark
2. Department of Clinical Research University of Southern Denmark Odense Denmark
3. Center for Rheumatology and Spine Diseases Copenhagen University Hospital, Rigshospitalet Copenhagen Denmark
4. Exercise Biology Department of Public Health Aarhus University Aarhus Denmark
5. Department of Rheumatology Odense University Hospital Odense Denmark