1. Division of Orthopedic Surgery McGill University Health Center Montreal Quebec Canada
2. Department of Orthopedic Surgery Mashhad University of Medical Sciences Mashhad Iran
3. Centre for Outcomes Research and Evaluation McGill University Health Centre Research Institute Montreal Québec Canada
4. Department of Family Medicine McGill University Montreal Québec Canada
5. Department of Orthopedics Mayo Clinic Scottsdale Arizona USA
6. School of Public Health University of Montreal Montreal Québec Canada
7. Ingram School of Nursing, Faculty of Medicine and Health Sciences McGill University Montreal Québec Canada
8. Gerald Bronfman Department of Oncology, Faculty of Medicine and Health Sciences McGill University Montreal Québec Canada