1. Research in Childhood Health; Department of Sports Science and Clinical Biomechanics; University of Southern Denmark; Odense Denmark
2. Research Department; Spine Center of Southern Denmark; Hospital Lillebaelt; Middelfart Denmark
3. Institute of Regional Health Services Research; University of Southern Denmark; Odense Denmark
4. The Sport Medicine Clinic; Orthopaedic Department; Hospital of Lillebaelt; Middelfart Denmark