1. Neglected Tropical Disease Programme, Ministry of Health, Government of Liberia, Monrovia, Monsterrado, Liberia
2. University of Liberia Pacific Institute for Research and Evaluation, Monrovia, Montserrado, Liberia
3. Centre for Neglected Tropical Diseases, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK
4. Actions Transforming Lives (ACT), Monrovia, Monsteraddo, Liberia