1 Department of Global Health, Milken Institute School of Public Health, The George Washington University, Washington DC 20052, USA. Electronic address: [email protected].
2 Department of Global Health, Milken Institute School of Public Health, The George Washington University, Washington DC 20052, USA.
3 Department of Biostatistics and Epidemiology, Graduate School of Public Health, University of Puerto Rico, San Juan, PR, USA.
4 Department of Environmental Health, Milken Institute School of Public Health, The George Washington University, Washington DC 20052, USA.