1. Division of Medical Technology, Tokushima University Hospital, Tokushima, Japan
2. Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
3. Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
4. Clinical Laboratory, Tokushima University Hospital, Tokushima, Japan