1. Department of Orthopaedic Surgery, Hospital for Special Surgery, Weill Cornell Medicine, New York City, NY
2. Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, Germany
3. Biostatistics Core, Hospital for Special Surgery, New York City, NY
4. Department of Orthopaedic Surgery, School of Medicine, Showa University Hospital, Tokyo, Japan
5. Department of Neurosurgery, Cantonal Hospital Graubünden, Loëstrasse, Chur, Switzerland
6. Department of Radiology and Imaging, Hospital for Special Surgery, New York City, NY
7. Berlin Simulation & Training Center, Department of Anatomy Charité Universitätsmedizin Berlin, Berlin, Germany