1. Service d’Orthopédie et de Traumatologie, Chirurgie de l’Épaule, Ensemble Hospitalier de la Côte, 1110 Morges, Switzerland
2. Medical School, University of Western Australia, 35 Sterling Highway, Perth, WA 6009, Australia
3. Department of Orthopaedic Surgery, Royal Melbourne Hospital, 300 Grattan Street, Parkville, Melbourne, VIC 3050, Australia
4. Department of Biomedical Engineering, University of Melbourne, Parkville, VIC 3010, Australia