*Shintaro Ishida¹, Yukiko Shinohara¹, Takako fujii¹, Makiko Abe¹, Miki Kawazoe¹, Toshiki Maeda¹, Chikara Yoshimura¹, Hisatomi Arima¹ (1. Department of Preventive Medicine and Public Health, Faculty of Medicine, Fukuoka University)

*Hideyuki Kamijo¹, seitaro suzuki², atsushi oyama³, naoki sugihara⁴ (1. Tokyo Dental College, 2. Mejiro University College, 3. Kobe Steel, Ltd., 4. Tokyo Dental College department of health)

*Misuzu Sato¹, Masanori Iwasaki¹, Yutaka Watanabe², Miho Ishimaru³, Sachiko Ono⁴, Katsuya Iijima⁵, Yasutake Tomata⁶, Kazumi Tanaka⁶, Kazuyo Tsushita⁷ (1. Department of Preventive Dentistry, Faculty of Dental Medicine and Graduate School of Dental Medicine, Hokkaido University, 2. Gerodontology, Department of Oral Health Science, Faculty of Dental Medicine, Hokkaido University, 3. The Institute of Education, Tokyo Medical and Dental University, 4. Department of Eat-loss Medicine, Graduate School of Medicine, The University of Tokyo, 5. Institute for Future Initiatives, The University of Tokyo, 6. Kanagawa University of Human Services, 7. Kagawa Nutrition University)

*Takahiro Tsujimoto¹, Tomoya Myojin¹, Yuichi Nishioka¹, Tomoaki Imamura¹ (1. Nara Medical University)

*Takashi Zaitsu¹, Takashi Ishida², Risa Aritomi¹, Jun Aida¹ (1. Department of Oral Health Promotion, Tokyo Medical and Dental University , 2. Graduate School of Information Science and Engineering, Tokyo Institute of Technology)