1. Department of Neglected Tropical Diseases, World Health Organization, Geneva 1211, Switzerland
2. Division of Parasitic Diseases and Malaria, U.S. Centers for Disease Control and Prevention, Atlanta, GA 30329, USA
3. Parasitology Department, Noguchi Memorial Institute for Medical Research, Accra, LG581, Ghana
4. Neglected Tropical Diseases Control Programme, Ministry of Health, Community Development, Gender, Elderly and Children, Dar es Salaam 11478, Tanzania
5. National Institute for Medical Research, Dar es Salaam 11101, Tanzania
6. Task Force for Global Health, Atlanta, GA 30030, USA
7. Independent Consultant, Gravesend DA1, UK
8. Mectizan Donation Program, Atlanta, GA 30030, USA