1. Division of Endocrinology, Diabetes and Metabolism, Hematology and Rheumatology; Second Department of Internal Medicine; Graduate School of Medicine; University of the Ryukyus; Nishihara Japan
2. Clinical Research Support Office; National Cancer Center Hospital East; Kashiwa Japan
3. Department of Hematology; Heartlife Hospital; Nakagusuku Japan
4. Department of Hematology; Okinawa Prefectural Chubu Hospital; Uruma Japan
5. Department of Hematology; Nakagami Hospital; Okinawa Japan
6. Department of Hematology; Naha City Hospital; Naha Japan
7. Department of Hematology; Okinawa Prefectural Nambu Medical Center and Children's Medical Center; Haebaru Japan
8. Department of Hematology; Okinawa Red Cross Hospital; Naha Japan
9. Laboratory of Hematoimmunology; School of Health Sciences; Faculty of Medicine; University of the Ryukyus; Nishihara Japan
10. Departments of Pathology and Cell Biology; Graduate School of Medicine; University of the Ryukyus; Nishihara Japan