1. Clinic for Oral and Craniomaxillofacial Surgery, University Hospital Basel, Switzerland
2. AO Clinical Investigation and Documentation, AO Foundation, Audige's Dübendorf, Switzerland
3. Research and Development Department, Schulthess Clinic, Zürich, Switzerland
4. Department of Oral and Maxillofacial Surgery, Ludwig Maximilians Universität München, Germany
5. Imaging Center Aarau, Institute of Radiology Zofingen Hospital, Zofingen, Switzerland
6. Division of Facial Plastic Surgery, Department of Otolaryngology-Head and Neck Surgery, Geisinger Medical Center, Danville, Pennsylvania
7. Plastic, Reconstruction and Maxillofacial Surgery, Alpharetta, Georgia