[1] Yokohama City Univ, Med Ctr, Childrens Med Ctr, Kanagawa 2320024, Japan
[2] Nihon Univ, Sch Med, Dept Pediat, Tokyo 1018309, Japan
[3] Igarashi Childrens Clin, Miyagi 9813203, Japan
[4] Nippon Med Sch, Dept Pediat, Tokyo 1138602, Japan
[5] Saitama Med Univ, Dept Pediat, Saitama 3500495, Japan
[6] Tokyo Womens Med Univ, Dept Pediat, Med Ctr East, Tokyo 1168567, Japan
[7] Akita Univ, Sch Med, Akita, Japan
[8] Asahikawa Med Univ, Asahikawa, Hokkaido, Japan
[9] Asoiizuka Hosp, Iizuka, Fukuoka, Japan
[10] Igarashi Childrens Clin, Sendai, Miyagi, Japan
[11] Iwata City Hosp, Iwata, Japan
[12] Ehime Univ, Sch Med, Matsuyama, Ehime, Japan
[13] Oita Univ, Fac Med, Sch Med, Oita, Japan
[14] Pediat Endocrinol & Metab Clin, Osaka, Japan
[15] Osaka Med Coll, Takatsuki, Osaka, Japan
[16] Osaka City Univ, Sch Med, Osaka, Japan
[17] Okayama Med Ctr, Okayama, Japan
[18] Okayama Red Cross Gen Hosp, Okayama, Japan
[19] Okayama Univ, Sch Med, Okayama, Japan
[20] Kanagawa Childrens Med Ctr, Yokohama, Kanagawa, Japan
[21] Kanazawa Univ, Sch Med, Kanazawa, Ishikawa, Japan
[22] Kawasaki Municipal Hosp, Kawasaki, Kanagawa, Japan
[23] Kitasato Univ, Sch Med, Tokyo, Japan
[24] Kitami Red Cross Hosp, Kitami, Hokkaido, Japan
[25] Gifu Univ Hosp, Gifu, Japan
[26] Kyushu Univ, Sch Med, Fukuoka, Fukuoka, Japan
[27] Kyushu Rosai Hosp, Kitakyushu, Fukuoka, Japan
[28] Kyoto Prefectural Univ Med, Kyoto, Japan
[29] Kumamoto Univ, Sch Med, Kumamoto, Japan
[30] Natl Hosp Org Kure Med Ctr, Kure, Japan
[31] Hiroshima Prefectural Hosp, Hiroshima, Japan
[32] Natl Ctr Child Hlth & Dev, Tokyo, Japan
[33] Shinshu Ueda Med Ctr, Ueda, Nagano, Japan
[34] Kobayashi Kids Clin, Kumagaya, Saitama, Japan
[35] Konda Childrens Clin, Tokyo, Japan
[36] Saitama Med Univ, Kawagoe Clin, Kawagoe, Saitama, Japan
[37] Saitama Med Univ, Kawagoe, Saitama, Japan
[38] Saitama Childrens Med Ctr, Saitama, Japan
[39] Sapporo Pediat Endocrinol Clin, Sapporo, Hokkaido, Japan
[40] Sapporo Factory Kids Clin, Sapporo, Hokkaido, Japan
[41] Univ Occupat & Environm Hlth, Kitakyushu, Fukuoka, Japan
[42] Sanno Hosp, Tokyo, Japan
[43] JR Sendai Hosp, Sendai, Miyagi, Japan
[44] Shiga Med Sch, Otsu, Shiga, Japan
[45] Shikoku Med Ctr Children & Adults, Zentsuji, Japan
[46] Juntendo Univ Med, Tokyo, Japan
[47] Shinshu Univ Hosp, Matsumoto, Nagano, Japan
[48] Seitoku Univ, Matsudo, Chiba, Japan
[49] Seitoku Univ, Jr Coll, Matsudo, Chiba, Japan
[50] St Marianna Univ, Sch Med, Kawasaki, Kanagawa, Japan