1. Institute of Tropical Medicine, University of Tübingen, Tübingen, Germany.
2. Department of Infectious Diseases, Division of Internal Medicine, Center of Tropical Medicine and Travel Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
3. Centre de Recherches Médicales de Lambaréné (CERMEL), Albert Schweitzer Hospital, Lambaréné, Gabon.
4. Department of Medical Microbiology, Academic Medical Center, Amsterdam, The Netherlands.
5. Department of Infectious Diseases, Hôpitaux Universitaires de Strasbourg, Strasbourg, France.
6. Department of Vascular Medicine, Division of Internal Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
7. Instituto de Medicina Molecular and Department of Microbiology, University of Lisbon, Lisbon, Portugal.