1. Department of Internal Medicine Division of Hematology Yokohama City Seibu HospitalSt. Marianna University School of Medicine YokohamaJapan
2. Department of Radiology Kawasaki Municipal Tama Hospital KawasakiJapan
3. Department of Pathology Yokohama City Seibu HospitalSt. Marianna University School of Medicine YokohamaJapan
4. Division of Hematology and Oncology Department of Internal Medicine St. Marianna University School of Medicine KawasakiJapan
5. Department of Hematological Therapeutics Graduate School of Medical and Dental SciencesTokyo Medical and Dental University (TMDU) Tokyo Japan