○Akihito Nishiyama¹, Mikayo Hayashi², Ryuki Kitamoto², Yoshitaka Tateishi¹, Mayuko Osada-Oka³, Yukiko Nishiuchi⁴, Xiuhao Chen², Kentaro Kaneko⁵, Makoto Matsumoto², Sohkichi Matsumoto¹ (¹Dept. Bacteriol., Sch. Med., Niigata Univ., ²Pharm. Bus. Div., Otsuka Pharmaceutical Co., Ltd., ³Div. Applied Life Sci., Grad. Sch. Life Environ. Sci., Kyoto Prefect. Univ., ⁴Toneyama Ins. for Tuberculosis Res., Med. Sch., Osaka City Univ., ⁵Grad. Sch. Sci. Technol., Niigata Univ.)

○Ryosuke Kadoya, Miyuu Iketani, Riho Kaneda (Dept. Food and Nutrition, Sch. of Life Stud., Sugiyama Jogakuen Univ.)

○Jun Xu¹, Rino Arakaki², Shinjiro Tachibana², Tetsu Yamashiro¹ (¹Dept. Bacteriol., Grad. Sch. Med., Univ. Ryukyus, ²Dept. Biosci. Biotechnol. Faculty Agric., Univ. Ryukyus)

○Tomoya Suda¹, Tomoko Hanawa², Mayuko Tanaka², Kazuhiko Miyanaga³, Yasunori Tanjii³, Takeaki Matsuda^1,4 (¹Dept. Gen. Med., Sch. Med., Kyorin Univ., ²Dept. Infect. Dis., Sch. Med., Kyorin Univ., ³Dept. Lif. Sci. Tech., Tokyo Tech Univ., ⁴Dept. Trauma and Crit. Care., Sch. Med., Kyorin Univ.)

○Tetsuya Sakuta^1,2, Yuichi Oogai¹, Masanobu Nakata¹ (¹Dept. Oral Microbiol., Grad. Sch. Med. and Dent., Kagoshima Univ., ²Dept. General Dent. Practices, Kagoshima Univ. Med. and Dent. Hosp.)

○Yuina Iwasaki¹, Mayuko Oka¹, Keiichi Samukawa², Risa Imamiya¹, Yukiko Minamiyama¹, Hiroshi Iwao³ (¹Food Hyg. Env. Health., Grad. Sch. Life Env. Sci., Kyoto Pref. Univ., ²Dept. Pharmacol., Osaka City Univ. Med. Sch., ³Dept. Educ., Shitennoji Univ.)

○Azusa Haruta¹, Miki Matsuo^2,3, Mineka Yoshikawa¹, Maho Takeuchi¹, Mi Nguyen Tra Le^2,3, Koji Yahara^3,4, Hiroki Ouge^3,5, Kazuhiro Tsuga¹, Motoyuki Sugai^3,4, Hitoshi Komatsuzawa^2,3 (¹Dept. Advanced Prosthodont., Grad. Sch. Biomed. & Health Sci., Hiroshima Univ., ²Dept. Bacteriol., Grad. Sch. Biomed. & Health Sci., Hiroshima Univ., ³Project Research Ctr., Nosocomial Infectious Diseases, Hiroshima Univ., ⁴Antimicrobial Resistance Research Ctr., National Institute of Infectious Diseases, ⁵Dept. Infect. Dis., Hiroshima Univ. Hosp.)

○Nanami Yoshino^1,3, Tsuyoshi Ikeda², Ryoma Nakao³ (¹Central Res. Inst., S&B FOODS Inc., ²Pharm. Sci., Sojo Univ., ³Dept. Bacteriol. 1, Natl. Inst. Infect. Dis.)

○Toshihito Isono¹, Hisanori Domon^1,2, Tomoki Maekawa^1,2, Hikaru Tamura^1,2, Takumi Hiyoshi¹, Katsunori Yanagihara³, Eiji Kunitomo⁴, Yutaka Terao^1,2 (¹Div. Microbiol. Infect. Dis., Niigata Univ. Grad. Sch. Med. & Dent. Sci., ²Cent. for Adv. Oral Sci., Niigata Univ. Grad. Sch. Med. & Dent. Sci., ³Dept. Laboratory Medicine, Nagasaki Univ. Grad. Sch. Biomed., ⁴Central R&D Lab., Kobayashi Pharma.)

○Hisato Kato, Kazufumi Masuda, Takashi Katsu (Sch. Pharmacy, Shujitsu Univ.)

○Tianli Zhang¹, Azizur Rahman¹, Hiroyasu Tsutsuki¹, Katsuhiko Ono¹, Kei Miyano², Akira Yamauchi², Takaaki Akaike³, Tomohiro Sawa¹ (¹Dept. Microbiol., Sch. Med Sci., Kumamoto Univ., ²Dept. Biochem., Kawasaki Med Sch., ³Dept. Environ Med and Mol Toxi., Tohoku Univ., Sch. Med)