1. Department of Biomolecular Science; Fukushima Medical University School of Medicine; Fukushima Japan
2. Laboratory of Lymphocyte Differentiation, World Premier International Immunology Frontier Research Center and Graduate School of Frontier Biosciences; Osaka University; Suita, Osaka Japan
3. Laboratory for Lymphocyte Differentiation; RIKEN Center for Integrative Medical Sciences; Tsurumi-ku, Yokohama Kanagawa Japan