1. MRC Centre for Outbreak Analysis and Modelling, Department of Infectious Disease Epidemiology, Imperial College London, London, United Kingdom
2. Department of Infection and Immunity, Walter and Eliza Hall Institute, Melbourne, Australia
3. Department of Medical Biology, University of Melbourne, Melbourne, Australia
4. Spatial Ecology and Epidemiology Group, Department of Zoology, University of Oxford, Oxford, United Kingdom
5. Fogarty International Center, National Institutes of Health, Bethesda, United States
6. Centre de Recerca en Salut Internacional de Barcelona, Barcelona, Spain