1. Department of Plastic, Reconstructive and Hand Surgery, Center for Severe Burn Injuries, Klinikum Nürnberg, Paracelsus Medical University, 90471 Nuremberg, Germany
2. Department of Health Management, Friedrich Alexander University Erlangen-Nuernberg (FAU), 91054 Erlangen, Germany
3. Department of General and Visceral Surgery, Hospital Martha-Maria, 90491 Nuremberg, Germany
4. Department of Orthopedic and Trauma Surgery, Center of Plastic Surgery, Hand Surgery and Microsurgery, Evangelisches Waldkrankenhaus Spandau, 13589 Berlin, Germany
5. Department of General, Visceral and Thoracic Surgery, Klinikum Nürnberg, Paracelsus Medical University, 90419 Nuremberg, Germany