1. Laboratory of Immune Regulation, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan.
2. Laboratory for Lymphocyte Differentiation, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa 230-0045, Japan.
3. Laboratory for Integrative Genomics, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa 230-0045, Japan.
4. Department of Genetics, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan.
5. Institute of Resource Development and Analysis, Kumamoto University, Kumamoto, Kumamoto, 860-0811, Japan.