[1] Ctr Dis Control & Prevent, Div Viral & Rickettsial Dis, Natl Ctr Infect Dis, Atlanta, GA 30333 USA
[2] Emory Univ, Atlanta, GA 30322 USA
[3] Natl Ctr HIV STD & TB Prevent, Div HIV AIDS Prevent, Atlanta, GA USA
[4] Montefiore Med Ctr, Albert Einstein Coll Med, Dept Med, Bronx, NY 10467 USA
[5] Montefiore Med Ctr, Albert Einstein Coll Med, Dept Epidemiol & Social Med, Bronx, NY 10467 USA
[6] New York Acad Med, Ctr Urban Epidemiol Studies, New York, NY USA
[7] Brown Univ, Sch Med, Div Infect Dis, Dept Med,Miriam Hosp, Providence, RI 02912 USA
[8] Wayne State Univ, Sch Med, Dept Med, Div Infect Dis, Detroit, MI 48201 USA