^○Junji Azuma¹, Yasuhiro Hasegawa¹, Azumi Sakakibara¹, Yasuhiro Hirano¹, Takehisa Yamamoto¹, Hiroko Okuda^2,3, Tezuka Tohru^2,4, Akio Koizumi^2,5 (1.Department of Pediatrics, Minoh City hospital, Osaka, Japan, 2.Department of Health and Environmental Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan, 3.Department of Molecular Cell Physiology, Kyoto Prefectural University of Medicine, Kyoto, Japan, 4.Department of Center for Medical Education and Internationalization, Kyoto University, Kyoto, Japan, 5.Kyoto-Hokenkai, Kyoto, Japan)

^○Takao Morimune, Hiroki Sobajima, Yuka Nishizawa, Noriko Nishikura (Department of Pediatrics, Shiga University of Medical Science, Japan)

^○Omata Yuko, Takahashi Yoshiko, Nakazawa Tomoko (Department of Pediatrics, Seikeikai Chiba Medical Center, Chiba, Japan)