1. Orthopedics Spine and Oncology, Montreal General Hospital, McGill University, Montreal, Canada
2. Musculoskeletal Oncology Surgery, Rambam Health Care Campus, Haifa, Israel
3. Orthopaedic Oncology, Royal National Orthopaedic Hospital, London, UK
4. Department of Orthopaedics and Rehabilitation, University of Mississippi Medical Center, Jackson, Mississippi, USA
5. University of Toronto Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Canada
6. Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, Canada