1. Department of Chemistry, University of Nairobi, Nairobi, Kenya
2. Department of Chemistry, Kyambogo University, Kyambogo, Kampala, Uganda
3. Global Emerging Infections Surveillance (GEIS) Program, United States Army Medical Research Unit-Kenya (USAMRD-A/K), Kenya Medical Research Institute (KEMRI) - Walter Reed Project, Kisumu and Nairobi, Kenya
4. Institut für Chemie, Universität Potsdam, Potsdam, Germany