1. a Child, Youth, Family and Social Development Programme , Human Sciences Research Council , South Africa
2. b School of Psychology , University of KwaZulu-Natal , South Africa
3. c Department of Infection and Population Health , Royal Free and University College Medical School, University College , London
4. d International Food Policy Research Institute , Washington , DC , USA
5. e Consultant , New York , USA
6. f FXB Center for Health and Human Rights , Harvard University , Boston , MA , USA
7. g Regional Network on AIDS , Food Security and Livelihoods , Johannesburg , South Africa
8. h Consultant , Geneva , Switzerland
9. i London School of Hygiene and Tropical Medicine , London , UK
10. j Ivorian Centre for Economic and Social Research , Cote d'lvoire
11. k University of Maryland , College Park , MD , USA
12. l Family Health International , Washington , DC , USA