1. Virus Research Center, Clinical Research Division, Sendai Medical Center, Sendai, Miyagi, Japan
2. Department of Medical Microbiology, Mycology and Immunology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
3. Department of Intelligent Network for Infection Control, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
4. Medical University Research Administrator, Nagasaki University School of Medicine, Sakamoto, Nagasaki, Japan
5. Department of Infectious Diseases, Yamagata University Faculty of Medicine, Iida-Nishi, Yamagata, Japan
6. Department of Advanced Preventive Medicine for Infectious Disease, Tohoku University Graduate school of Medicine, Sendai, Miyagi, Japan