1. Infectious Diseases
2. Pneumology, Centre Hôspitalier Universitaire Saint-Pierre. Université Libre de Bruxelles, Brussels
3. Laboratoire Hospitalier Universitaire de Bruxelles, Department of Microbiology, Pôle Universitaire de Bruxelles, Université Libre de Bruxelles, Brussels
4. Bacterial Diseases Service, Operational Direction Communicable and Infectious Diseases, Scientific Institute of Public Health, Brussels, Belgium