1. Department of Hematology, Oita Kouseiren Tsurumi Hospital, Oita, Japan,
2. Department of Hematology, Oita University Hospital, Oita, Japan,
3. Department of Clinical Laboratory, Oita Kouseiren Tsurumi Hospital, Oita, Japan,
4. Department of Diagnostic Pathology, Oita Kouseiren Tsurumi Hospital, Oita, Japan,
5. Department of Nephrology, Oita Kouseiren Tsurumi Hospital, Oita, Japan.