1. Division of Macroscopic and Clinical Anatomy Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging Medical University of Graz Graz Austria
2. Department of Surgery University of Texas Medical Branch Galveston Texas USA
3. Division of Plastic, Aesthetic and Reconstructive Surgery Department of Surgery Medical University of Graz Graz Austria
4. Department of Surgery Elisabethinen Hospital Graz Graz Austria
5. Department of Ear, Nose and Throat Medical University of Graz Graz Austria
6. Institute of Anatomy and Clinical Morphology Faculty of Health/School of Medicine Witten/Herdecke University Witten Germany