1. Department of Oral and Maxillofacial Surgery; Division of Cervico-Gnathostmatology; Programs for Applied Biomedicine; Graduate School of Biomedical Sciences; Hiroshima University; Hiroshima Japan
2. Department General Dentistry; Hiroshima University Hospital; Hiroshima Japan
3. Center of Oral Clinical Examination; Hiroshima University Hospital; Hiroshima Japan