Correspondence
Akio Matsuda, Department of Allergy and Clinical Immunology, National
Research Institute for Child Health and Development, 2-10-1 Okura,
Setagaya-ku, 157-8535, Tokyo, Japan.
Phone: +81-3-5494-7120 (ext. 4955); Fax: +81-3-5494-7173;
E-mail: matsuda-a@ncchd.go.jp