1. Division of Viral Diseases, National Center for Immunizations and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
2. Centre for the Mathematical Modelling of Infectious Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom
3. Rollins School of Public Health, Emory University, Atlanta, Georgia
4. Epidemiological Modelling Unit, Monash University, Melbourne, Victoria, Australia
5. Health Modelling and Analytics Team, IBM Research Australia, Melbourne, Victoria, Australia
6. Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey
7. Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia