[1] NCNP, Dept Child Neurol, Kodaira, Tokyo 1878551, Japan
[2] NCNP, Dept Nutr Management, Kodaira, Tokyo 1878551, Japan
[3] Natl Hosp Org NHO, Asahikawa Med Ctr, Dept Neurol, Sapporo, Hokkaido, Japan
[4] NHO Aomori Natl Hosp, Dept Neurol, Aomori, Japan
[5] NHO Akita Natl Hosp, Dept Neurol, Akita, Japan
[6] NHO Higashisaitama Natl Hosp, Dept Neurol, Saitama, Japan
[7] NHO Shimoshizu Natl Hosp, Dept Neurol, Chiba, Japan
[8] NHO Hakone Natl Hosp, Dept Neurol, Yokohama, Kanagawa, Japan
[9] NHO Niigata Natl Hosp, Dept Neurol, Niigata, Japan
[10] NHO Nagara Med Ctr, Dept Child Neurol, Gifu, Japan
[11] NHO Suzuka Natl Hosp, Dept Neurol, Tsu, Mie, Japan
[12] NHO Hyogo Chuo Natl Hosp, Dept Neurol, Tokyo, Hyogo, Japan
[13] NHO Utano Natl Hosp, Dept Neurol, Kyoto, Japan
[14] NHO Matsue Med Ctr, Dept Pediat, Matsue, Shimane, Japan
[15] NHO Hiroshima Nishi Med Ctr, Dept Pediat, Hiroshima, Japan
[16] NHO Tokushima Natl Hosp, Dept Pediat, Tokushima, Japan
[17] NHO Minamikyushu Natl Hosp, Dept Neurol, Kagoshima, Japan
[18] NHO Kumamoto Saishunso Natl Hosp, Dept Neurol, Kumamoto, Japan
[19] NHO Nishibeppu Natl Hosp, Dept Neurol, Oita, Japan
[20] NHO Okinawa Natl Hosp, Dept Surg, Okinawa, Japan
[21] NHO Toneyama Natl Hosp, Dept Neurol, Osaka, Japan