1 Department of Infectious Diseases, Center of Tropical Medicine and Travel Medicine, Amsterdam University Medical Centers, location AMC, University of Amsterdam, Amsterdam, the Netherlands; World Health Organization, Country Office, Accra, Ghana. Electronic address: [email protected].
2 World Health Organization, Country Office, Accra, Ghana.
3 Department of Infectious Diseases, Center of Tropical Medicine and Travel Medicine, Amsterdam University Medical Centers, location AMC, University of Amsterdam, Amsterdam, the Netherlands; Institute of Tropical Medicine, and German Center of Infectious Diseases (DZIF), University of Tuebingen, Tuebingen, Germany; Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Centre de Recherches Médicales en Lambaréné (CERMEL), Lambaréné, Gabon; Masanga Medical Research Unit, Masanga, Sierra Leone.