1. Department of Regenerative Oral Surgery, Nagasaki University Graduate School of Biomedical Sciences
2. Department of Orthodontics and Dentofacial Orthopedics, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki
3. Department of Oral Surgery, Imakiire General Hospital, Kagoshima
4. Department of Oral and Maxillofacial Surgery, Juntendo University Hospital, Tokyo, Japan