1. Department of Orthopaedics and Traumatology, Medical University of Graz , Graz, Austria
2. Department of Macroscopic and Clinical Anatomy, Medical University of Graz , Graz, Austria
3. Department of Surgery, Krankenhaus der Elisabethinen Graz , Graz, Austria
4. Department of Orthopedics and Traumatology, Paracelsus Medical University , Salzburg, Austria
5. Department of Otorhinolaryngology, Medical University of Graz , Graz, Austria
6. Department of Orthopaedics and Musculoskeletal Medicine, University of Otago, Christchurch School of Medicine , Christchurch, New Zealand
7. Institute of Anatomy and Clinical Morphology, University Witten/Herdecke , Witten, Germany