1. University Clinic for Cranio- and Maxillofacial Surgery, Medical University of Vienna; Vienna Austria
2. Private Practice; Wilhelmstrasse 1c/2/5 Vienna 1120 Austria
3. School of Dentistry, Unit - Dental Student Training and Patient Care; Medical University of Vienna; Vienna Austria
4. Department for Oral Surgery, School of Dentistry; Medical University of Vienna; Vienna Austria
5. Department for Conservative Dentistry and Periodontology, School of Dentistry; Medical University of Vienna; Vienna Austria