[1] NHO Sagamihara Natl Hosp, Dept Pediat, Sagamihara, Kanagawa, Japan
[2] NHO Sagamihara Natl Hosp, Clin Res Ctr Allergy & Rheumatol, Dept Allergy, Sagamihara, Kanagawa, Japan
[3] Aiwa Hosp, Dept Pediat, Saitama, Japan
[4] Sagamihara Kyodo Hosp, Dept Pediat, Sagamihara, Kanagawa, Japan
[5] Nagaoka Chuo Sogo Hosp, Dept Pediat, Niigata, Japan
[6] Takeda Gen Hosp, Dept Pediat, Fukushima, Japan
[7] Murano Pediat Allergy Clin, Tokyo, Japan
[8] Komata Allergy & Pediat Clin, Yokohama, Kanagawa, Japan
[9] Ishida Pediat Clin, Akita, Japan