Shohei Nomura¹, MITSURU KASHIWAGI¹, CHIZU OBA¹, TAKUYA TANABE², HIROSHI TAMAI³ (1.Department of Pediatrics, Hirakata City Hospital, 2.Department of Pediatric Neurology, Tanabe Pediatic clinic, 3.Department of Pediatrics, Osaka Medical College)

Takuya Hiraide, REI URUSHIBATA, TAIJU HAYASHI, TOMOKO MATSUBAYASHI, TOKIKO FUKUDA (Department of Pediatrics, Hamamatsu University School of Medicine, Shizuoka, Japan)

Hazuki Nonoyama^1,2, Ryuki Matsuura³, Satoru Ikemoto³, Shinichiro Hamano³ (1.Department of Pediatrics, Atsugi City Hospital, Kanagawa, Japan, 2.Department of Pediatrics, The Jikei University, Tokyo, Japan, 3.Department of Neurology, Saitama Children's Medical Center, Saitama, Japan)

Takamasa Kishi (Department of Pediatrics, KKR Hiroshima Memorial Hospital, Hiroshima, Japan)

Takayuki Mori¹, YU KAKIMOTO¹, MARIKO KASAI¹, SATOSHI TAKENAKA¹, KONOMI SHIMODA¹, ATSUSHI SATO¹, AKIRA OKA¹, MASASHI MIZUGUCHI² (1.The Department of Pediatrics, University of Tokyo, Tokyo, Japan, 2.School of International Health, Graduate School of Medicine, The Universitiy of Tokyo, Tokyo,Japan)

Takeya Awashima¹, ATSUO NEZU¹, HIDEE ARAI¹, MAKIKO KUROSAWA¹, YUKA MASUDA¹, JIU YUGUCHI¹, NAOKO MIURA¹, MAIKO KITA² (1.Yokohama Medical and Welfare Centre, Konan, Yokohama, Japan, 2.Yokohama Medical and Welfare Centre, Konan, Yokohama, Japan)