1. Section of Experimental Oncology and Nanomedicine, Head and Neck Surgery, Department of Otorhinolaryngology, Else Kröner-Fresenius-Foundation-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany.
2. Institute of Legal Medicine, Ludwig-Maximilians-Universität München, Munchen, Germany.
3. Institute of Medical Biotechnology, Friedrich-Alexander Universität Erlangen–Nürnberg, Erlangen, Germany.