1. Department of Orthopaedics and TraumaMedical University of Graz Auenbruggerplatz 5 8036 Graz Austria
2. AUVA Trauma Hospital Steiermark I Graz Göstinger Straße 24 8020 Graz Austria
3. Division of Macroscopic and Clinical AnatomyMedical University of Graz Harrachgasse 21 8010 Graz Austria
4. Department of Ophthalmology and OptometryMedical University of Vienna, Währinger Gürtel 18‐20 1090 Vienna Austria