1 Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, Germany; Institute of Tendon and Bone Regeneration, Paracelsus Medical University, Salzburg, Austria. Electronic address: [email protected].
2 Julius Wolff Institute for Biomechanics and Musculoskeletal Regeneration, Charité-Universitätsmedizin Berlin, Berlin, Germany.
3 Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, Germany.
4 Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, Germany; Department of Shoulder and Elbow Surgery, Schulthess Clinic, Zürich, Switzerland.