Affiliation: | 1. Research and Development, Schulthess Clinic, Zürich, Switzerland;2. Shoulder and Elbow Surgery, Schulthess Clinic, Zürich, Switzerland;3. Klinik Gut, St Moritz, Switzerland;1. Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA;2. Department of Orthopaedic Surgery and Sports Medicine, University of Washington, Seattle, WA, USA |