1. Department of Oral- and Craniomaxillofacial Surgery, Klinikum Rechts der Isar der Technischen Universität München, Ismaninger Strasse 22, 81675 Munich, Germany
2. Department for Oral- and Maxillofacial Surgery, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
3. Department of Oral- and Maxillofacial Surgery, Academic Teaching Hospital Feldkirch, Carinagasse 47, 6800 Feldkirch, Austria
4. Department of Medicine and Cardiology, VIVIT Research, Academic Teaching Hospital, Carinagasse 47, 6800 Feldkirch, Austria
5. Department of Craniomaxillofacial and Oral Surgery, Medical University Vienna, Vienna General Hospital, Waehringer Guertel 18-20, 1090 Vienna, Austria