1 Department of Orthopaedic Surgery and Traumatology, Zuyderland Medical Center Heerlen, H. Dunantstraat 5, 6419 PC, Heerlen, The Netherlands. hidde.veldman@gmail.com.
2 Department of Orthopaedic Surgery and Traumatology, Zuyderland Medical Center Heerlen, H. Dunantstraat 5, 6419 PC, Heerlen, The Netherlands.
3 School of Health Professions Education, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands.
4 Musculoskeletal Research Unit, Bristol Medical School- Translational Health Sciences, University of Bristol, Beacon House, Queens Road, Bristol, BS8 1QU, UK.
5 Sylvia Lawry Centre, The Human Motion Institute, Hohenlindener Str. 1, 81677, Munich, Germany.
6 Department of Orthopaedics, Maastricht University Medical Center, P. Debyelaan 25, 6202 AZ, Maastricht, The Netherlands.