[1] Univ Washington, Sch Publ Hlth, Dept Epidemiol, Seattle, WA 98195 USA
[2] Yale Univ, Sch Publ Hlth, Dept Epidemiol Microbial Dis, New Haven, CT USA
[3] Connecticut Dept Publ Hlth, Hartford, CT USA
[4] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Epidemiol, Ctr Teaching & Learning, Baltimore, MD USA
[5] Univ Florida, Dept Biol, Gainesville, FL USA
[6] Univ Florida, Emerging Pathogens Inst, Gainesville, FL USA
[7] Inst Goncalo Moniz, Salvador, BA, Brazil
[8] Yale Sch Med, Sect Infect Dis, Dept Internal Med, New Haven, CT USA