1. Center for Sports Medicine; University Medical Center Groningen; University of Groningen; Groningen The Netherlands
2. Department of General Practice; Erasmus MC Medical University; Rotterdam The Netherlands
3. Department of Rehabilitation, Nursing Science and Sports; University Medical Center Utrecht; Utrecht The Netherlands
4. Department of Public and Occupational Health; EMGO+ Institute for Health and Care Research; VU University Medical Center; Amsterdam The Netherlands
5. Departments of Epidemiology and Surgery; Research School CAPHRI; Maastricht University Medical Center+; Sports Medicine Center Maastricht; Maastricht The Netherlands