1. Department of Human Development and Family Sciences; University of Delaware; Newark DE USA
2. RAND Corporation; Santa Monica CA USA
3. Department of Psychological & Brain Sciences; University of Delaware; Newark DE USA
4. Department of Medicine; Brigham and Women's Hospital; Boston MA USA
5. Harvard Medical School; Boston MA USA
6. Southern Africa Labour and Development Research Unit; University of Cape Town; Rondebosch Cape Town South Africa
7. Perinatal HIV Research Unit; Faculty of Health Sciences; University of the Witwatersrand; Johannesburg South Africa
8. Desmond Tutu HIV Centre, IDM and Department of Medicine; University of Cape Town; Cape Town South Africa
9. South African Medical Research Council; Cape Town South Africa
10. Oregon Health & Science University-Portland State University School of Public Health; Portland OR USA
11. Center for Global Health; Massachusetts General Hospital; Boston MA USA
12. Harvard Global Health Institute; Cambridge MA USA