1. Shoulder and Elbow Department, Rothman Orthopaedic Institute, Philadelphia, PA, USA
2. Orthopedics department, Universite Libre de Bruxelles, Bruxelles, Belgium
3. Orthopedics department, Brown University, Providence, RI, USA
4. Division of Orthopaedic Surgery and Sports Medicine, McGill University Health Centre, Montreal, Quebec, Canada