Luc Rubinger1,2, Mohit Bhandari1,2. 1. L. Rubinger, Division of Orthopaedics, Department of Surgery, McMaster University, Hamilton, ON Canada. 2. M. Bhandari, Centre for Evidence-Based Orthopaedics, 293 Wellington St. N, Suite 110, Hamilton, ON L8L 8E7 Canada.