Affiliation: | Division of Hematology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinano-machi, Shinjuku-ku, Tokyo 160-8582, Japan;;Department of Laboratory Medicine, Tokyo Electricity Power Company Hospital, 9-2, Shinano-machi, Shinjuku-ku, Tokyo 160-0016, Japan;;Department of Hematology, Saitama Medical Center, Saitama Medical University, 1981 Kamoda, Tsujido-machi, Kawagoe, Saitama 350-8550, Japan |