1. Division of Oral and Maxillofacial Surgery; Department of Oral Medicine and Surgery; Tohoku University Graduate School of Dentistry; Sendai Miyagi Japan
2. Division of Oral Pathology; Department of Oral Medicine and Surgery; Tohoku University Graduate School of Dentistry; Sendai Miyagi Japan
3. Division of Oral Diagnosis; Department of Oral Medicine and Surgery; Tohoku University Graduate School of Dentistry; Sendai Miyagi Japan