1. Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, Japan
2. Department of Hematology, Kyoto Social Insurance Hospital, Japan
3. Department of Hematology, Kyoto First Red Cross Hospital, Japan
4. Department of Hematology, Matsushita Memorial Hospital, Japan
5. Department of Hematology, Kyoto Second Red Cross Hospital, Japan
6. Department of Medicine, Otsu Municipal Hospital, Japan
7. Department of Hematology, Ohmi-Hachiman Community Medical Center, Japan