1. Academic Medical Center; Department of Orthopaedic Surgery; Secretariaat G4-Noord Meibergdreef 9 Amsterdam Netherlands 1057 GB
2. Academic Medical Center; Department of Clinical Epidemiology, Biostatistics and Bioinformatics; Meibergdreef 9 Amsterdam Netherlands 1105 AZ
3. Onze Lieve Vrouwe Gasthuis; Department of Orthopaedic Surgery; Oosterpark 9 Amsterdam Netherlands 1091 AC
4. Academic Medical Center; Department of Radiology; University of Amsterdam Meibergdreef Amsterdam Netherlands
5. VU University Medical Center; Department of Epidemiology and Biostatistics, EMGO Institute for Health and Care Research; PO Box 7057 Amsterdam Netherlands 1007 MB