1. Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, Nagoya, Japan
2. Department of Hematology and Oncology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
3. Department of Hematology, Gifu University Graduate School of Medicine, Gifu, Japan
4. Department of Hematology, Rinku General Medical Center, Izumisano, Japan
5. The Japan Marrow Donor Program, Tokyo, Japan
6. The Japan Society for Hematopoietic Cell Transplantation, Nagoya, Japan
7. Department of Hematology, Japanese Red Cross Nagoya First Hospital, Nagoya, Japan