1 College of Health, Department of Community and Population Health, Lehigh University, Bethlehem, PA 18015, USA. Electronic address: edg219@lehigh.edu.
2 Department of Political Science and School of Public Health, Brown University, Providence, RI, USA.
3 Johns Hopkins University, Bloomberg School of Public Health and School of Advanced International Studies, Baltimore, MD, USA.
4 University of São Paulo, Department of Political Science, São Paulo, SP, Brazil.