1. Georgetown University School of Medicine, 3900 Reservoir Rd NW, Washington, DC 20007, United States of America (USA).
2. ICAP at Columbia University, Mailman School of Public Health, New York, USA.
3. Department of HIV and Global Hepatitis Programme, World Health Organization, Geneva, Switzerland.
4. Health Economics and Epidemiology Research Office, University of the Witwatersrand, Johannesburg, South Africa.
5. Medical Department, Médecins Sans Frontières, Cape Town, South Africa.
6. TB and HIV, Bill & Melinda Gates Foundation, Seattle, USA.