1. Department of Oral Pathology and Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Kita‑ku, Okayama 700‑8525, Japan
2. epartment of Oral Pathology and Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Kita‑ku, Okayama 700‑8525, Japan
3. Department of Oral and Maxillofacial Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Kita‑ku, Okayama 700‑8525, Japan