1. Division of Reconstructive Surgery for Oral and Maxillofacial Region, Faculty of Dentistry & Graduate School of Medical and Dental sciences Niigata University Niigata Japan
2. Division of Oral Pathology, Faculty of Dentistry & Graduate School of Medical and Dental Sciences Niigata University Niigata Japan
3. Oral Pathology Section, Department of Surgical Pathology Niigata University Medical and Dental Hospital Niigata Japan
4. Division of Oral and Maxillofacial Radiology, Graduate School of Medical and Dental Sciences Niigata University Niigata Japan