1. Division of Oral and Maxillofacial Oncology and Surgical Sciences, Department of Disease Management Dentistry Tohoku University Graduate School of Dentistry Sendai Japan
2. X‐Tech Development Department NTT Docomo Inc. Tokyo Japan
3. Division of Dental Informatics and Radiology Tohoku University Graduate School of Dentistry Sendai Japan
4. Department of International and Community Oral Health Tohoku University Graduate School of Dentistry Sendai Japan
5. Division of Dental and Digital Forensics Tohoku University Graduate School of Dentistry Sendai Japan
6. Department of Oral and Maxillofacial Surgery Sendai City Hospital Sendai Japan
7. Division of Oral and Maxillofacial Reconstructive Surgery, Department of Disease Management Dentistry Tohoku University Graduate School of Dentistry Sendai Japan
8. Department of Oral and Maxillofacial Surgery Tohoku Medical and Pharmaceutical University Hospital Sendai Japan