1. Department of Orthopaedic Surgery, Groningen University Medical Centre, Groningen, the Netherlands
2. Department of Surgery, Groningen University Medical Centre, Groningen, the Netherlands
3. Department of Orthopaedic & Trauma Surgery, Flinders University, Flinders Medical Centre, Adelaide, Australia
4. Australian Institute for Machine Learning, Adelaide, Australia
5. Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, USA
6. Institute of Clinical Sciences, Danderyd University Hospital, Karolinska Institute, Stockholm, Sweden
7. The University of Texas at Austin, Dell Medical School, Austin, Texas, USA