1. Department of Plastic and Hand Surgery; University Hospital of Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg; Erlangen Germany
2. Microbiology Institute, Clinical Microbiology, Immunology and Hygiene; University Hospital of Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg; Erlangen Germany
3. Department of Hand-, Plastic and Reconstructive Surgery; Burn Center, BG Trauma Center Ludwigshafen, Department of Plastic and Hand Surgery, University of Heidelberg; Heidelberg Germany