[1] Columbia Univ, ICAP, New York, NY 10027 USA
[2] Columbia Univ, Dept Epidemiol, Mailman Sch Publ Hlth, New York, NY 10027 USA
[3] CUNY, Grad Sch Publ Hlth & Hlth Policy, Dept Epidemiol & Biostat, New York, NY 10021 USA
[4] Ctr Dis Control & Prevent, Ctr Global Hlth, Div Global HIV & TB, Atlanta, GA USA
[5] Democrat Republ Congo Ctr Dis Control & Prevent, Kinshasa, DEM REP CONGO
[6] Columbia Univ, Dept Pediat, Irving Med Ctr, New York, NY 10027 USA