1. Infectious Diseases Institute, Makerere University , Kampala , Uganda
2. Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh , Pittsburgh, PA , USA
3. College of Pharmacy, University of Nebraska Medical Center , Omaha, NE , USA
4. Department of Medicine, Makerere University , Kampala , Uganda
5. Department of Pharmacology, University of Liverpool , Liverpool , UK