[1] Yale Univ, New Haven, CT USA
[2] New York Presbyterian Hosp, Comprehens Hlth Program, HIV Prevent Program, New York, NY USA
[3] Columbia Univ, Med Ctr, Div Infect Dis, Dept Internal Med & Pediat, New York, NY USA
[4] Yale Univ, Nursing, New Haven, CT USA
[5] Mailman Sch Publ Hlth, Clin Publ Hlth & Clin Pediat, New York, NY USA
[6] Columbia Univ, Med Ctr, New York, NY USA
[7] Columbia Univ, Med Ctr, Div Infect Dis, Dept Internal Med, New York, NY USA