1. Graduate School of Health Sciences; Hokkaido University; Kita-ku Sapporo Japan
2. Department of Clinical Laboratory; KKR Sapporo Medical Center; Toyohira-ku Sapporo Japan
3. Department of Clinical Laboratory; Japanese Red Cross Hokkaido Block Blood Center; Nishi-ku Sapporo Japan
4. Department of Health Sciences; School of Medicine; Hokkaido University; Kita-ku Sapporo Japan
5. Department of Medical Laboratory Science; Faculty of Health Sciences; Hokkaido University; Kita-ku Sapporo Japan
6. Department of Clinical Laboratory; Hakodate Municipal Hospital; Hakodate Japan
7. Department of Cardiovascular Regenerative Medicine; Osaka University Graduate School of Medicine; Suita Japan
8. Department of Hematology and Oncology; Hakodate Municipal Hospital; Minato-cho Hakodate Japan