1. Department of Gerodontology, Division of Oral Health Science, Graduate School of Dental Medicine
2. Department of Oral Diagnosis and Oral Medicine, Division of Oral Pathobiological Science, Graduate School of Dental Medicine
3. The Key Laboratory of Biomarker High Throughput-Screening and Target Translation of Breast and Gastrointestinal Tumor, Oncology department of Affiliated Zhongshan Hospital of Dalian University
4. Department of Microbiology, Shimane University Faculty of Medicine
5. Department of Neurosurgery, Rumoi Municipal Hospital
6. Health Sciences University of Hokkaido, School of Nursing and Social Services
7. Section of Geriatric Dentistry and Perioperative Medicine in Dentistry, Division of Maxillofacial Diagnostic and Surgical Sciences Faculty of Dental Science