1. Department of Natural and Medicinal Chemistry, Faculty of Pharmaceutical Sciences Aomori University, Aomori, Aomori 030‑0943, Japan
2. Department of Oral Biochemistry, Asahi University School of Dentistry, Mizuho, Gifu 501‑0296, Japan
3. Department of Oral and Maxillofacial Surgery, Nagoya Tokushukai General Hospital, Kasugai, Aichi 487‑0016, Japan