1. Medical Practice Evaluation Center Department of Medicine Massachusetts General Hospital Boston Massachusetts USA
2. Global HIV Hepatitis and STI Programme World Health Organization Geneva Switzerland
3. ICAP at Columbia University Mailman School of Public Health Columbia University New York USA
4. Department of Pediatrics Vagellos College of Physicians and Surgeons Columbia University New York USA
5. Division of Infectious Diseases Massachusetts General Hospital Boston Massachusetts USA
6. Centre for Infectious Disease Epidemiology and Research School of Public Health and Family Medicine Faculty of Health Sciences University of Cape Town Cape Town South Africa
7. Division of Pediatric Outcomes Research Massachusetts General Hospital Boston Massachusetts USA
8. Division of General Internal Medicine Department of Medicine Massachusetts General Hospital Boston Massachusetts USA
9. Harvard University Center for AIDS Research Boston Massachusetts USA
10. Department of Health Policy and Management Harvard School of Public Health Boston Massachusetts USA
11. Elizabeth Glaser Pediatric AIDS Foundation Abidjan Côte d'Ivoire
12. UNICEF New York USA
13. Ministry of Health and Child Care Harare Zimbabwe
14. Center for Health Decision Science Harvard T.H. Chan School of Public Health Boston Massachusetts USA