From the ^aDepartment of Global Health, Milken Institute School of Public Health, The George Washington University, Washington, DC

^bDepartment of Epidemiology and Biostatistics, Milken Institute School of Public Health, The George Washington University, Washington, DC

^cDepartment of Biostatistics and Epidemiology, Graduate School of Public Health, University of Puerto Rico, San Juan, Puerto Rico

^dDepartment of Environmental and Occupational Health, Milken Institute School of Public Health, The George Washington University, Washington, DC.

Funding provided by Forensic Science Bureau, Department of Public Safety, and Milken Institute School of Public Health of The George Washington University (Washington, DC).

The authors report no conflicts of interest.

Data used in this commentary can be found on the project website, as described in the text, at https://prstudy.publichealth.gwu.edu/datasets.

Correspondence: John Sandberg, Department of Global Health, Milken Institute School of Public Health, The George Washington University, 950 New Hampshire Ave, NW, Washington, DC 20052. E-mail: [email protected].