1. Center for Cause of Death Investigation Research and Education, Graduate School of Biomedical and Health Sciences, Hiroshima University
2. Department of General Dentistry, Hiroshima University Hospital
3. Center of Oral Clinical Examination, Hiroshima University Hospital
4. Department of Advanced Prosthodontics, Graduate School of Biomedical and Health Sciences, Hiroshima University
5. Department of Oral and Maxillofacial Radiology, Graduate School of Biomedical and Health Sciences, Hiroshima University