Affiliation: | (1) Department of Hematology, Matsushita Memorial Hospital, 5-55, Sotojima-cho, Moriguchi 570-8540, Japan;(2) Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto 602-8566, Japan |