1. Centre of Oral Clinical Examination, Hiroshima University, Hiroshima, Japan
2. Department of General Dentistry, Hiroshima University Hospital, Hiroshima, Japan
3. Department of Dermatology, Hiroshima University Hospital, Hiroshima, Japan
4. Centre for Cause of Death Investigation Research and Education, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan