OBATA Kyoichi^1,2, KISHIMOTO Koji^2,3, NISHIYAMA Akiyoshi^1,2, SHIBATA Akane¹, ONO Kisho¹, NOJIMA Tetsundo², SASAKI Akira³ (1.Dept. of OMS (Biopathology), Okayama Univ. Hospital, Okayama, Japan, 2.Dept. of Dentistry and Oral Surgery, Tsuyama Central Hospital, Tsuyama, Japan, 3.Dept. of OMS, Okayama Univ. Graduate School of Medicine, Dentistry, and Pharmaceutical Science, Okayama, Japan)

MUKAI Takao^1,2, MORI Maya¹, TSUJIMOTO Makoto¹, TAMAI Nana², EHARA Hiroki², KINOSHITA Yuko², KAWAGUCHI Miku², TAKIGAWA Yukako², ENOMOTO Akifumi², HAMADA Sugu (1.Dept. of Dentistry and General Oral Medicine, Kawasaki Medical School, Okayama, Japan, 2.Dept. of OMS, Kindai Univ. Hospital, Osaka, Japan)

KIDUKA Shinya, INOUE Ryo, MIYAMOTO Erika, YOSHIDA Kazuya, HYO Yukitada (OMS, National Hospital Organization, Kyoto Medical Center, Kyoto, Japan)

TAKIZAWA Shigeta, OSEKO Fujishige, NAKAO Eriko, ADACHI Keiji, YAMAMOTO Toshiro, KANAMURA Narisato (Dept. of Dental Medicine, Graduate School of Medical Science, Kyoto Prefectural Univ. of Medicine, Kyoto, Japan.)

KASAHARA Shun, AMANO Katsuhiko, KOGO Mikihiko (First Dept. of OMS, Graduate School of Dentistry, Osaka Univ., Osaka, Japan)