1. Division of Orthopaedics, Sunnybrook Health Science Centre, Suite MG365, 2075 Bayview Avenue, Toronto, Ontario, Canada M4N 3M5.
2. Rambam Medical Centre, Haifa, Israel.
3. Division of Orthopaedic Surgery, University of Toronto, St Michael’s Hospital, Toronto, Canada.
4. Division of Orthopaedic Surgery, University of Montreal, Hôpital du Sacré Coeur, Montreal, Canada.