Shintaro Fujiwara, Ko Harada, Hideharu Hagiya, Toshihiro Koyama, Kosei Hasegawa, Hirokazu Tsukahara, Fumio Otsuka. Trends in childhood obesity in Japan: A nationwide observational study from 2012 to 2021. (in press). Clinical Obesity. 2023
Akazawa H, Hagiya H, Koyama T, Otsuka F. Trends in the Incidence of Disseminated Cryptococcosis in Japan: A Nationwide Observational study, 2015-2021 (in press). Mycopathologia. 2023
Koyama T, Iinuma S, Yamamoto M, Niimura T, Osaki Y, Nishimura S, Harada K, Zamami Y, Hagiya H. International trends in adverse drug event-related mortality from 2001 to 2019: An analysis of the World Health Organization Mortality Database from 54 countries. (in press). Drug Safety. 2023
Hideharu Hagiya, Toshihiro Koyama, Fumio Otsuka. Epidemiological Characteristics and Trends in the Incidence of Leptospirosis in Japan: A Nationwide, Observational Study from 2006 to 2021. The American journal of tropical medicine and hygiene. 2023. 109. 3. 589-594
Tsukasa Higashionna, Keisaku Harada, Akinari Maruo, Takahiro Niimura, Elizabeth Tan, Quynh Thi Vu, Takayoshi Kawabata, Soichiro Ushio, Hirofumi Hamano, Makoto Kajizono, et al. Trends in Head and Neck Cancer Mortality from 1999 to 2019 in Japan: An Observational Analysis. Cancers. 2023. 15. 15