1. Clinic and Policlinic of Plastic, Reconstructive and Hand Surgery, Klinikum Rechts der Isar–Technische Universität München, München, Germany
2. Section of Plastic Surgery, Department for Traumatology and Hand Surgery, University Hospital Münster, Münster, Germany
3. Plastic, Reconstructive, and Aesthetic Surgery, Hand Surgery, Fachklinik Hornheide, Münster, Germany
4. Plastic and Reconstructive Surgery Unit, SABES (South Tyrolean Health Care System), Bressanone, Italy