1. School of Public Health, Université Libre de Bruxelles (ULB), Brussels, Belgium;
2. Faculty of Medicine and School of Public Health, University of Lubumbashi, Lubumbashi, Democratic Republic of the Congo;
3. Department of Public Health, Institute of Tropical Medicine, Antwerp, Belgium;
4. Centre de Connaissances en Santé en République Démocratique du Congo, Kinshasa, Democratic Republic of the Congo;
5. Department of Tropical Medicine, Faculty of Medicine, University of Kinshasa, Kinshasa, Democratic Republic of the Congo;
6. National Program for the Control of Human African Trypanosomiasis, Kinshasa, Democratic Republic of the Congo