1. Department of Orthopaedic Surgery, Tan Tock Seng Hospital, Singapore.
2. Oregon Shoulder Institute, Medford, Oregon, USA.
3. Division of Orthopaedics and Trauma Surgery, La Tour Hospital, Meyrin, Switzerland.
4. Centre Hospitalier Privé Saint-Grégoire (Vivalto Santé), Saint-Grégoire, France.
5. Faculty of Medicine, University of Geneva, Geneva, Switzerland.
6. Division of Orthopaedics and Trauma Surgery, Department of Surgery, Geneva University Hospitals, Geneva, Switzerland.