Prof Dr Joseph Schatzker (Editor)Sunnybrook HSCToronto, Ontario, Canada
Prof Dr Richard E BuckleyDepartment of Surgery, Section of Orthopedic SurgeryUniversity of CalgaryCalgary, Canada
Prof Dr Andrew SandsDepartement of OrthopedicsNew York Presbyterian - Lower Manhattan HospitalNew York, USA
Project manager: Michael Redies
Illustrations: Ruth Angliker
Les Grujic is gratefully acknowledged for feedback on the content (revision in 2017 with Richard E Buckley as editorial consultant).