1. Department of International Health, Johns Hopkins Bloomberg School of Public Health, 615 N Wolfe St, Baltimore, MD 21205, USA
2. Neglected Tropical Disease, WHO Timor-Leste Office United Nations House Caicoli street, Dili, Timor-Leste
3. National Institute of Public Health, N° 2, Sena Pramuk Kim Il Sung (St. 289), Phnom Penh, Cambodia
4. Department of Global Health, University of Washington Harris Hydraulics Laboratory 1510 San Juan Rd NE, Seattle, WA 98195-7965 USA
5. Monitoring & Evaluation, Ministry Strategy and Evidence, World Vision International, 34834 Weyerhaeuser Way S, Federal Way, Washington, DC 98001, USA