1. Research Unit for Human Disease Models, RIKEN Research Center for Allergy and Immunology, Yokohama, 230-0045 Japan.
2. Laboratory for Immunogenomics, RIKEN Research Center for Allergy and Immunology, Yokohama, 230-0045 Japan.
3. Nippon Becton Dickinson Company, Tokyo, 107-0052 Japan.
4. Department of Hematology, Toranomon Hospital, Tokyo, 105-8470 Japan.
5. The Jackson Laboratory, Bar Harbor, ME 04609, USA.