1. Department of Infectious Diseases, Fujita Health University School of Medicine, Aichi, Japan
2. Graduate School of Public Health, St. Luke’s International University, Tokyo, Japan
3. Department of Infectious Diseases, The University of Tokyo Hospital, Tokyo, Japan
4. Cancer Control Center, Osaka International Cancer Institute, Osaka, Japan
5. The Tokyo Foundation for Policy Research, Tokyo, Japan
6. Japan International Cooperation Agency, Tokyo, Japan
7. National Hospital Organization, Mie Medical Center, Mie, Japan
8. Muribushi Okinawa Center for Teaching Hospitals, Okinawa, Japan