1. Department of Clinical Laboratory Medicine; Graduate School of Medicine; The University of Tokyo; Tokyo Japan
2. Department of Gastroenterology; Graduate School of Medicine; The University of Tokyo; Tokyo Japan
3. Department of Infectious Disease; Graduate School of Medicine; The University of Tokyo; Tokyo Japan
4. Department of Laboratory Medicine; The Jikei University School of Medicine; Tokyo Japan
5. Regulation Technology Unit; RIKEN Center for Life Science Technologies; Wako Saitama Japan