1. Division of Comprehensive Prosthodontics, Department of Tissue Regeneration and Reconstruction; Niigata University, Graduate School of Medical and Dental Sciences, Chuo-ku; Niigata Japan
2. Division of Information Science and Biostatistics, Department of Medical Informatics and Pharmaceutics; Niigata University, Graduate School of Medical and Dental Sciences, Chuo-ku; Niigata Japan
3. Department of Oral and Maxillofacial Surgery; Matsumoto Dental University, School of Dentistry, Shiojiri, Nagano; Japan
4. Temporomandibular Joint Clinic, Niigata University Medical and Dental Hospital; Niigata Japan
5. Department of Oral Anatomy, Division of Oral Structure, Function and Development; Asahi University School of Dentistry, Hozumi; Mizuho Gifu Japan