[1] George Washington Univ, Sch Engn & Appl Sci, Dept Engn Management & Syst Engn, Washington, DC 20052 USA
[2] George Washington Univ, Inst Data Democracy & Polit, Washington, DC 20052 USA
[3] George Washington Univ, George Washington Univ Lib, Washington, DC USA
[4] Univ Pittsburgh, Grad Sch Publ Hlth, Dept Epidemiol, Pittsburgh, PA 15260 USA
[5] Univ Memphis, Dept Comp Sci, Memphis, TN 38152 USA
[6] Univ Maryland, Dept Family Sci, Ctr Hlth Equ, Sch Publ Hlth, College Pk, MD 20742 USA
[7] Johns Hopkins Univ, Dept Comp Sci, Whiting Sch Engn, Baltimore, MD 21218 USA
[8] Univ Calif San Diego, Div Infect Dis & Global Publ Hlth, La Jolla, CA 92093 USA
[9] Johns Hopkins Univ, Dept Hlth Behav & Soc, Bloomberg Sch Publ Hlth, Baltimore, MD USA