1. University of North Carolina Project-China, Guangzhou, China
2. Public Health Foundation of India, IIPH-H wing, Bangalore, India
3. Jiangsu Provincial Central for Disease Control and Prevention, Nanjing, Jiangsu, China
4. Monitoring and Evaluation Unit, The Global Fund to Fight AIDS, Tuberculosis and Malaria, Geneva, Switzerland
5. Department of Epidemiology, University of California, Los Angeles, CA, USA