1. Department of Plastic and Hand Surgery, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
2. Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Basel, Basel, Switzerland
3. Department of Plastic and Reconstructive Surgery, University Hospital of Bari, Bari, Italy
4. Department of Orthopedic and Trauma Surgery, University Hospital of Basel, Basel, Switzerland
5. Department of Orthopedic Surgery, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
6. Department of Plastic Reconstructive and Hand Surgery, Department of Oral and Maxillofacial Surgery, University Hospital, Dijon, France