1. Department of Advanced Prosthodontics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
2. School of Radiological Technology, Gunma Prefectural College of Health Sciences
3. Department of Radiology, Tokyo Medical and Dental University, Medical Hospital
4. Research Administration Division, Tokyo Medical and Dental University
5. Department of Radiation Therapeutics and Oncology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University