1 Center of Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam University Medical Centers, Location AMC, Amsterdam Infection & Immunity, Amsterdam Public Health, University of Amsterdam, Amsterdam, The Netherlands; Institute of Tropical Medicine, University of Tübingen, Tübingen, Germany; Institute of Infectious Diseases and Molecular Medicine (IDM), University of Cape Town, Cape Town, South Africa; Centre de Recherches Médicales en Lambaréné (CERMEL), Lambaréné, Gabon; Masanga Medical Research Unit (MMRU), Masanga, Sierra Leone. Electronic address: [email protected].
2 Instituto de Microbiologia, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.