1. Faculty of Public Health; Université Catholique de Louvain; Brussels Belgium
2. Department of Tropical Medicine; Faculty of Medicine; Kinshasa University; Kinshasa Democratic Republic of Congo
3. Programme National de Lutte contre l'Onchocercose; Kinshasa Democratic Republic of Congo
4. School of Public Health; Kinshasa University; Kinshasa Democratic Republic of Congo
5. Department of Dermatology; Watford General Hospital; Watford UK
6. Mectizan Donation Program; Task Force for Global Health; Decatur GA USA
7. African Programme for Onchocerciasis Control; Ouagadougou Burkina Faso
8. Emory University/The Carter Centre; Atlanta GA USA
9. Prince Leopold Institute of Tropical Medicine; Antwerp Belgium
10. National Institute of Biomedical Research; Kinshasa Democratic Republic of Congo