Affiliation: | 1.Department of Hematology,Yamagata Prefectural Central Hospital,Yamagata,Japan;2.Department of Laboratory Medicine,Yamagata Prefectural Central Hospital,Yamagata,Japan;3.Department of Pathology,Yamagata Prefectural Central Hospital,Yamagata,Japan;4.Yamagata Prefectural University of Health Sciences,Yamagata,Japan |