1. Public Health Program, Touro University California, Vallejo, CA, USA
2. American Institutes for Research, Washington DC, USA
3. Evaluation Team, NatCen Social Research, London, United Kingdom
4. Pangaea Global AIDS, Oakland, CA, USA
5. Departments of Health Policy and Management and Family and Community Medicine, New York Medical College, New York, NY, USA
6. UCSF School of Nursing, San Francisco, CA, USA