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