1. Amsterdam Infection and Immunity, Amsterdam Public Health, University of Amsterdam, Amsterdam, The Netherlands;
2. Department of Infectious Diseases, Center of Tropical Medicine and Travel Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands;
3. Centre de Recherches Médicales de Lambaréné and African Partner Institution, German Center for Infection Research, Lambaréné, Gabon;
4. Institut für Tropenmedizin, Universität Tübingen and German Center for Infection Research, Tübingen, Germany;
5. Department of Parasitology, Leiden University Medical Center, Leiden, The Netherlands