1. Center for Anatomy and Cell Biology, Division of Anatomy, Medical University of Vienna, Vienna, Austria
2. Plastic and Reconstructive Surgery, Department of Surgery, Hospital Divine Saviour, Vienna, Austria
3. Department of Vascular Surgery, Agaplesion Diakonieklinikum Hamburg, Hamburg, Germany
4. Institute of Pathology, Medical University of Vienna, Vienna, Austria
5. Department of Otorhinolaryngology, Medical University of Vienna, Vienna, Austria
6. TZOU Medical, Vienna, Austria