1. Resilient and Sustainable Systems for Health, Technical Advice and Partnerships Department, The Global Fund, Global Health Campus , Chemin du Pommier 40, 1218 Grand-Saconnex, Geneva, Switzerland
2. Department of International Health, Johns Hopkins Bloomberg School of Public Health, 615 N Wolfe Street, Baltimore, MD 21205, USA
3. UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA