1. Department of Public Health, Hokkaido University Faculty of Medicine
2. Department of Infectious Disease Epidemiology and Dynamics, London School of Hygiene & Tropical Medicine
3. Centre for Mathematical Modelling of Infectious Diseases, London School of Hygiene & Tropical Medicine
4. School of Tropical Medicine and Global Health, Nagasaki University
5. Institute for Global Health Policy Research, Bureau of International Health Cooperation, National Center for Global Health and Medicine
6. Public Health Office, Health and Welfare Bureau, Sapporo Municipal Government