1. Experimental Immunology, Immunology Frontier Research Center, Osaka University, Osaka, Japan;
2. Department of Medical Oncology and Immunology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan;
3. Ludwig Institute for Cancer Research, New York Branch, Memorial Sloan-Kettering Cancer Center, New York, NY;
4. Department of Anatomic Pathology, Tokyo Medical University, Tokyo, Japan;
5. Osaka Blood Center, Osaka, Japan;
6. Department of Hematology, Imamura Bun-in Hospital, Kagoshima, Japan;
7. Department of Clinical Pathology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan; and
8. Department of Experimental Pathology, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan