1. Programme National de Lutte contre la Trypanosomiase Humaine Africaine, Kinshasa, Democratic Republic of Congo;Institute of Tropical Medicine, Antwerp, Belgium;
2. Institute of Tropical Medicine, Antwerp, Belgium;
3. Programme National de Lutte contre la Trypanosomiase Humaine Africaine, Kinshasa, Democratic Republic of Congo;
4. Fonds Médical Tropical, Kinshasa, Democratic Republic of Congo;
5. Coopération Technique Belge, Kinshasa, Democratic Republic of Congo;
6. Institute of Development Policy and Management, Antwerp, Belgium;
7. World Health Organization, Geneva, Switzerland