^○Masashi Zuiki, Tomohiro Chiyonobu, Hiroshi Maeda, Satoshi Yamashita, Michiko Yoshida, Tatsuji Hasegawa, Masafumi Morimoto (Department of Pediatrics, Kyoto Prefectural University of Medicine, Kyoto, Japan)

^○Yuko Takei, Tetsuhiro Fukuyama, Shinichi Hirabayashi (Nagano Childrens Hospital Nagano,Japan)

^○Masao Suda, Ikuhiko Shibuya, Go Shimomura, Kotaro Yuge, Rumiko Okabe, Ousuke Iwata, Shinichiro Nagamitsu, Yushiro Yamashita (The Department of Pediatrics and Child Health, University of Kurume, Fukuoka, Japan)

^○Yoshiyuki Kobayashi, Hiroo Tani, Nobutsune Ishikawa, Masao Kobayashi (Department of Pediatrics, Hiroshima University Hospital, Hiroshima, Japan)

^○Takada Eiko, Michiaki Nagura (Department of Pediatrics,Saitama Medical Center,Saitama Medical University,Saitama,Japan)