*Toshio Ogawa¹ (1. Setsunan University)

*Mika Watari¹, Takahiro Sakakibara¹, Saki Fujimaki¹, Ayano Otsubo¹, Tomoko Inaba¹, Kaori Nakayama¹, Masayo Yoshimoto¹ (1. Ministry of Health, Labour and Welfare)

*Yoko Kawaguchi¹, Hitoshi Kawamata^2,1,4, Youji Miyamoto^3,1,4 (1. Japanese Association for Dental Science, 2. Dokkyo Medical University, 3. Tokushima University, 4. Japanese Stomatological Society)

*Shigeaki Inoue¹, Toru Hifumi², Kensuke Nakamura³, Motoi Fujita⁴, Takayuki Taira⁵, Yutaka Kondo⁶, Yoshihiro Ueda⁷, Tomoatsu Tsuji⁸, Toshiki Sera⁹, Osamu Kitahara¹⁰, Natsuyo Shinohara¹¹, Shinji Nakahara¹², Kunihisa Miura¹³, Yasuyuki Kuwagata¹⁴ (1. Dept. of Disaster and Emergency medicine, school of medicine, Kobe University , 2. St. Luke's International Hospital, 3. Teikyo Univesity, 4. Yamaguchi University, 5. Ryukyu University, 6. Juntendo University, 7. University of Tokyo, 8. Tokai University, 9. Hiroshima Prefectural Hospital, 10. Ohuna chuo hosipital, 11. Okayama red cross hospital, 12. Kanagawa Prefectural University of Health and Welfare, 13. Tokyo Hikifune hosipital, 14. Dep. of Emergency and Critical Care Medicine, Kansai Medical University)

*Toshio Ogawa¹, Masami Takizawa², Takeshi Imai³, Masayo Komatsu⁴, Masahiko Mukaino⁵, Tomoaki Imamura⁶ (1. Setsunan University, 2. International University of Health and Welfare, 3. The University of Tokyo, 4. Osaka University, 5. Hokkaido University, 6. Nara Medical University)

*Masahiko Mukaino¹, Masayo Komatsu² (1. Hokkaido University Hospital, 2. Osaka University)

*Ryuichi Yamamoto¹ (1. Medical Information System Development Center)

*Takeshi Imai¹ (1. Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo)