Yoshitaka Oyama¹, Kotaro Nakano¹, Moe Ito¹, Tomoyuki Akiyama², Saoko Takeshita³, Michihiro Hatano¹, Mari Iwamoto¹ (1.Department of Pediatrics, Saiseikai Yokohamashi Tobu Hospital, Yokohama, Japan, 2.Department of Child Neurology, Okayama University, Okayama, Japan, 3.Yokoham City University Medical Center, Yokohama, Japan)

Takao Morimune, Jun Mastui, Noriko Nishikura, Tastuyuki Sokoda, Yoshihiro Maruo (The Department of Pediatrics, Shiga university of medical science, Shiga, Japan)

Ryosuke Urabe, Hiroshi Terashima, Nahoko Katayama-Ueda, Itaru Hayakawa, Go Takei, Sato Suzuki-Muromoto, Tetsuharu Kamioka, Masaya Kubota (National Center for Child Health and Development, Tokyo, Japan)

Tomofumi Fukuda, Masayuki Shimono, Ryota Igarashi, Yumeko Matsda, Masahiro Ishii, Ayako Senjyu, Koichi Kusuhara (University of Occupational and Environmental Health Japan, Kitakyushu, Japan)

Yuriko Ueda¹, MIKA NAGAO¹, ATSUSHI SATO², YOSHIYUKI NAMAI¹ (1.The Department of Pediatrics, Ohta Nishinouchi Hospital, Fukushima, Japan, 2.The Department of Pediatrics, University of Tokyo, Tokyo, Japan)