1. Department of International Health, John Hopkins School of Hygiene & Public Health, Baltimore 21205
2. Aravind Center for Women, Children And Community Health, Madurai, India
3. Department of Clinical Microbiology, Jawaharlal Institute of Post-graduate Medical Education and Research, Pondicherry, India
4. Executive Secretariat, Lions-Aravind Institute for Community Ophthamology, Madurai, India