1. Department of Hematology/Oncology, Wakayama Medical University, Wakayama, Japan
2. Research Institute for Microbial Diseases, and WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
3. Nagata ENT Clinic, Kumamoto, Japan
4. Department of Hematology, National Hospital Organization Kumamoto Medical Center, Kumamoto, Japan
5. Department of Blood Transfusion Medicine and Cell Therapy, Kumamoto University, Kumamoto, Japan