Kakuta Risako, Yano Hisakazu, Kanamori Hajime, Shimizu Takuya, Gu Yoshiaki, Hatta Masumitsu, Aoyagi Tetsuji, Endo Shiro, Inomata Shinya, Oe Chihiro, Tokuda Koichi, Ozawa Daiki, Goto Hitoshi, Katori Yukio, Kaku Mitsuo
Emerg Infect Dis. 2014 Nov;20(11):1942-5. doi: 10.3201/eid2011.140440.