[1] Harvard Initiative for Global Health, Harvard University, Cambridge, MA 02138
[2] Center for Disease Control and Prevention, Atlanta, GA 30333
[3] School of Population Health, The University of Queensland, Brisbane, QLD
[4] Columbia University in the City of New York, New York, NY 10027-6902
[5] Haas School of Business, University of California, Berkeley, CA 94720-1900
[6] Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205