1. Department of Infectious Diseases, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
2. Central Pharmaceutical Research Institute, Japan Tobacco, Inc., Takatsuki, Osaka, Japan
3. Division of Infectious Diseases, International Research Institute of Disaster Science, Tohoku University, Sendai, Japan
4. Department of Intelligent Network for Infection Control, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
5. Tohoku Medical Megabank Organization, Tohoku University, Sendai, Miyagi, Japan