[1] Univ Pittsburgh, Grad Sch Publ Hlth, Dept Infect Dis & Microbiol, POB 7319, Pittsburgh, PA 15213 USA
[2] Univ Pittsburgh, Grad Sch Publ Hlth, Ctr LGBT Hlth Res, Pittsburgh, PA 15213 USA
[3] Univ Pittsburgh, Grad Sch Publ Hlth, Dept Behav & Community Hlth Sci, Pittsburgh, PA USA
[4] Emory Univ, Rollins Sch Publ Hlth, Dept Epidemiol, Atlanta, GA 30322 USA
[5] Univ Connecticut, Dept Human Dev & Family Studies, Hartford, CT 06112 USA
[6] Univ N Carolina, Gillings Sch Global Publ Hlth, Dept Hlth Behav, Chapel Hill, NC 27515 USA
[7] Univ Pittsburgh, Childrens Hosp Pittsburgh, Div Infect Dis, Pittsburgh, PA USA
[8] Rutgers State Univ, Sch Publ Hlth, Dept Biostat & Epidemiol, Piscataway, NJ USA