1. Disease Control and Prevention Center National Center for Global Health and Medicine Tokyo Japan
2. Center for Clinical Sciences National Center for Global Health and Medicine Tokyo Japan
3. Emerging and Reemerging Infectious Diseases Graduate School of Medicine, Tohoku University Sendai Japan
4. Department of Hematology National Center for Global Health and Medicine Tokyo Japan
5. Department of Refractory Viral Infections, Research Institute National Center for Global Health and Medicine Tokyo Japan
6. Department of Intractable Diseases Research Institute, National Center for Global Health and Medicine Tokyo Japan
7. Japanese Red Cross Central Blood Institute Tokyo Japan
8. Japanese Red Cross Kanto‐Koshin‐etsu Block Blood Center Tokyo Japan
9. Department of Safety Research on Blood and Biological Products National Institute of Infectious Diseases Tokyo Japan
10. Clinical Laboratory Department National Center for Global Health and Medicine Tokyo Japan
11. Department of Clinical Engineering National Center for Global Health and Medicine Tokyo Japan
12. Nursing Department National Center for Global Health and Medicine Tokyo Japan
13. Research Institute National Medical Center for Global Health and Medicine Tokyo Japan