1 Department of Allergy, Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan.
2 Department of Pediatrics, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan.
3 Department of Pediatrics, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan; Department of Pediatrics, Jikei University School of Medicine, Tokyo, Japan.
4 Department of Pediatrics, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan; Course of Allergy and Clinical Immunology, Juntendo University Graduate School of Medicine, Tokyo, Japan.
5 Department of Pediatrics, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan; Department of Allergy, Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Kanagawa, Japan. Electronic address: sagami@foodallergy.jp.