1. Department of International Health, Liverpool School of Tropical Medicine , Liverpool , UK
2. Department of Neglected Tropical Diseases, Sightsavers Nigeria Country Office , P.O. Box 503, Kaduna Nigeria
3. NTDs Division, Department of Public Health, Federal Ministry of Health , Abuja , Nigeria
4. Neglected Tropical Diseases Unit, Department of Public Health, Ogun State Ministry Of Health , Ogun State Nigeria
5. Department of Public Health, Ministry of Health Kaduna , Nigeria