By Adel G. Fam, MD, MRCP (UK), FRCP(C), FACP, Professor Emeritus of Medicine, Department of Medicine (Rheumatology), University of Toronto, Sunnybrook and Women's College Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada; George V. Lawry, MD, Professor, Clinical Internal Medicine, Rheumatology Division, University of Iowa, University of Iowa Hospital & Clinics, Iowa City, IA, USA; and Hans J. Kreder, MD, MPH, FRCS(C), Associate Professor, Department of Orthopaedic Surgery and Health Policy Evaluation and Management; Chair, Orthopaedic Clinical Epidemiology, University of Toronto; Staff Orthopaedic Surgeon, Department of Surgery, Division of Orthopaedics, Sunnybrook and Women's College Health Sciences Centre; Adjunct Scientist, Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada |