1. Maxillofacial Anatomy, Department of Maxillofacial Biology; Graduate School, Tokyo Medical and Dental University; Japan
2. Basic Sciences of Oral Health Care; Graduate School, Tokyo Medical and Dental University; Japan
3. Division of Histology, Department of Oral Growth and Development; School of Dentistry, Health Sciences University of Hokkaido; Japan
4. Division of Internal Medicine; Iwamizawa Koujin-kai Hospital; Japan
5. Department of Surgery and Research Institute of Clinical Medicine; Chonbuk National University Hospital; Seoul South Korea