1. Department of Orthopedic Surgery, Monica Hospital, Antwerp, Belgium
2. MoRe Foundation, Antwerp, Belgium
3. Department of Orthopedic Surgery and Traumatology, University Hospital Antwerp, Antwerp, Belgium
4. Shoulder and Elbow Unit, Joint Research, Department of Orthopedic Surgery, OLVG, Amsterdam, the Netherlands
5. Department of Orthopaedics and Traumatology, UZ Gent, Ghent, Belgium
6. Department of Orthopaedics and Traumatology, Kantonsspital St. Gallen, St. Gallen, Switzerland
7. Faculty of Medicine, University of Zurich, Zurich, Switzerland
8. Upper Limb Unit, Hospital Universitario La Paz, Madrid, Spain
9. Upper Limb Unit, Wrightington Hospital, UK