1. Department of Hematological Malignancies, Mie University Graduate School of Medicine, Tsu, Japan,
2. Department of Hematology, Tohoku University Hospital, Sendai, Japan,
3. Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, Niigata, Japan,
4. Department of Hematology and Rheumatology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan,
5. Department of Hematology, Gunma University Graduate School of Medicine, Maebashi, Japan,
6. Department of Hematology and Oncology, Mie University Graduate School of Medicine, Tsu, Japan,
7. Department of Hematology, National Cancer Center Hospital, Tokyo, Japan,
8. Department of Hematology and Oncology, Shimane University School of Medicine, Izumo, Japan,
9. Department of Hematology, National Hospital Organization Nagoya Medical Center, Nagoya, Japan,
10. Department of Pathology, Tokai University, Isehara, Japan.