1. Department of Dentistry and Oral Surgery, Toyama Red Cross Hospital
2. Department of Oral and Maxillofacial Surgery, and Comprehensive Oral Science, Faculty of Medicine, University of Toyama
3. Department of Oral and Maxillofacial Surgery, Teine Keijinkai Hospital
4. Division of Oral and Maxillofacial Radiology, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido