Ito Masahiro, Nukuzuma Souichi, Sugie Mariko, Yoshioka Masazumi, Kon-no Mayumi, Yasutake Hiroshi, Umegaki Yasuhiro, Ishikawa Yasuhiro, Yano Takuya, Ihara Toshiaki
Kyoto City Institute of Health and Environmental Science, Kyoto, Japan.
Pediatr Int. 2012 Dec;54(6):959-62. doi: 10.1111/j.1442-200X.2012.03720.x.