1. Department of Internal Medicine and Clinical Immunology; Yokohama City University Graduate School of Medicine; Yokohama Japan
2. Department of Medical Oncology; Kanagawa Cancer Center; Yokohama Japan
3. Division of Pathology, The Cancer Institute; Japanese Foundation for Cancer Research; Tokyo Japan
4. Pathology Project for Molecular Targets, The Cancer Institute; Japanese Foundation for Cancer Research; Tokyo Japan
5. Department of Hematology; Yokosuka City Hospital; Yokosuka Japan
6. Department of Hematology; Shizuoka Red Cross Hospital; Shizuoka Japan
7. Department of Hematology; Yokohama City University Medical Center; Yokohama Japan
8. Department of Hematology; Yamato Municipal Hospital; Yamato Japan
9. Department of Hematology/Immunology; Fujisawa City Hospital; Fujisawa Japan