1. Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitaetsstraße 1, Düsseldorf 40225, Germany
2. Institute of Tropical Medicine, Eberhard Karls University Tübingen, Wilhelmstraße 27, Tübingen 72074, Germany
3. Centre de Recherches Médicales de Lambaréné, Lambaréné B.P.: 242, Gabon
4. Institute of Clinical Pharmacy and Pharmacotherapy, Heinrich Heine University Düsseldorf, Universitaetsstraße 1, Düsseldorf 40225, Germany
5. Department of Microbiology & Immunology, Columbia University Irving Medical Center, New York 10032, New York, United States
6. Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York 10032, New York, United States
7. Swiss Tropical and Public Health Institute, Socinstraße 57, Basel 4002, Switzerland
8. University of Basel, Basel CH-4003, Switzerland