1. Department of Microbiology, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Avenue Hippocrate 10, 1200 Brussels, Belgium
2. Department of Critical Care Medecine, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Avenue Hippocrate 10, 1200 Brussels, Belgium
3. Department of Critical Care Medecine, Centres Hospitaliers Universitaires HELORA, 1200 Brussels, Belgium