1. Department of Plastic, Hand and Reconstructive Surgery, University Hospital Regensburg, Regensburg, Germany
2. Department of Surgery, Division of Plastic Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
3. Department for Plastic Surgery and Hand Surgery, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
4. McGill University Faculty of Medicine, Montreal, Canada
5. Department of General, Visceral, and Transplantation Surgery, University Hospital Heidelberg, Heidelberg
6. Practice for Plastic and Aesthetic Surgery Munich, Munich, Germany