1 Division of International Epidemiology and Population Studies, Fogarty International Center, National Institutes of Health, Bethesda, MD, USA. Electronic address: [email protected].
2 Division of International Epidemiology and Population Studies, Fogarty International Center, National Institutes of Health, Bethesda, MD, USA; Department of Global Health, George Washington University, Washington, DC, USA.
3 Division of International Epidemiology and Population Studies, Fogarty International Center, National Institutes of Health, Bethesda, MD, USA; School of Public Health, Georgia State University, Atlanta, GA, USA.
4 Laboratory for the Modeling of Biological and Socio-technical Systems, Northeastern University, Boston, MA, USA; Institute for Quantitative Social Sciences at Harvard University, Cambridge, MA, USA; Institute for Scientific Interchange Foundation, Turin, Italy.