1. Department of Plastic, Aesthetic, Hand and Reconstructive Surgery, Hannover Medical School , Germany
2. Department of Human Genetics, Hannover Medical School , Germany
3. Division of Plastic Surgery, Department of Surgery, Brigham and Women’s Hospital and Harvard Medical School , Boston, Massachusetts , USA
4. Department for Plastic Surgery and Hand Surgery, Klinikum Rechts der Isar, Technical University of Munich , Germany