[1] Univ Delaware, Dept Human Dev & Family Sci, Newark, DE 19716 USA
[2] RAND Corp, Santa Monica, CA USA
[3] Univ Cape Town, Desmond Tutu HIV Ctr, IDM, Cape Town, South Africa
[4] Univ Cape Town, Dept Med, Cape Town, South Africa
[5] Brigham & Womens Hosp, Dept Med, 75 Francis St, Boston, MA 02115 USA
[6] Portland State Univ, Oregon Hlth & Sci Univ, Sch Publ Hlth, Portland, OR 97207 USA
[7] Childrens Mercy Kansas City, Hlth Serv & Outcomes Res, Kansas City, KS USA
[8] Univ Missouri Kansas City, Sch Med, Kansas City, KS USA
[9] Univ Missouri Kansas City, Sch Pharm, Kansas City, KS USA
[10] Harvard Med Sch, Boston, MA USA
[11] Massachusetts Gen Hosp, Ctr Global Hlth, Boston, MA 02114 USA