1. Division of Hand, Plastic and Aesthetic Surgery, University Hospital Munich (LMU), 81377 Munich, Germany
2. Department of Pediatric Surgery and Urology, Nuremberg General Hospital, Paracelsus Medical University, 90419 Nuremberg, Germany
3. Clinic for Plastic, Reconstructive, and Hand Surgery, Center for Severe Burn Injuries, Hospital Nuremberg, 90471 Nuremberg, Germany