1. Department of Cranio-Maxillofacial Surgery, Inselspital, Bern University Hospital, University of Bern
2. Department of Oral and Maxillofacial Surgery, Tokyo Medical University
3. Division of Oral and Maxillofacial Surgery, Niigata University Graduate School of Medical and Dental Sciences
4. Advanced Research Center, The Nippon Dental University School of Life Dentistry at Niigata