1 Allergy and Immunology Research Project Team, Research Institute of Medical Science, Tokyo, Japan; Center for Allergy, Nihon University Itabashi Hospital, Tokyo, Japan; Department of Dermatology, Nihon University School of Medicine, Tokyo, Japan.
2 Allergy and Immunology Research Project Team, Research Institute of Medical Science, Tokyo, Japan; Center for Allergy, Nihon University Itabashi Hospital, Tokyo, Japan; Center for Medical Education, Nihon University School of Medicine, Tokyo, Japan.
3 Center for Allergy, Nihon University Itabashi Hospital, Tokyo, Japan; Department of Dermatology, Nihon University School of Medicine, Tokyo, Japan.
4 Allergy and Immunology Research Project Team, Research Institute of Medical Science, Tokyo, Japan; Center for Allergy, Nihon University Itabashi Hospital, Tokyo, Japan; Center for Medical Education, Nihon University School of Medicine, Tokyo, Japan. Electronic address: okayama.yoshimichi@nihon-u.ac.jp.