1. Division of Maxillofacial SurgeryGraduate School, Tokyo Medical and Dental University Tokyo Japan
2. Department of Oral SurgeryJapanese Red Cross Musashino Hospital Musashino Japan
3. Division of Oral and Maxillofacial SurgeryCenter Hospital of National Center for Global Health and Medicine Tokyo Japan
4. Division of Oral Surgery, Graduate SchoolTokyo Medical and Dental University Tokyo Japan
5. Department of Oral SurgeryToho University Omori Medical Center Tokyo Japan
6. Department of Oral and Maxillofacial SurgeryNational Hospital Organization Yokohama Medical Center Yokohama Japan
7. Department of Oral SurgeryYokohama City Minato Red Cross Hospital Yokohama Japan
8. Department of Dentistry and Oral SurgeryTokyo Metropolitan Tama Medical Center Tokyo Japan
9. Department of DentistryToranomon Hospital Tokyo Japan
10. Department of Dentistry and Oral SurgeryTokai University Hachioji Hospital Hachioji Japan
11. Department of Oral SurgeryJCHO Tokyo Takanawa Hospital Tokyo Japan
12. Division of Oral Health Sciences, Department of Health Sciences School of Health and Social ServicesSaitama Prefectural University Koshigaya Japan