1. Infectious Diseases Department; CHU Saint-Pierre; Université Libre de Bruxelles; Brussels Belgium
2. Pediatrics Department; CHU Saint-Pierre; Brussels Belgium
3. Service of Epidemiology of Infectious Diseases; Department of Public Health and Surveillance; Scientific Institute of Public Health; Brussels Belgium
4. Microbiology Department; Laboratoire Hospitalier Universitaire de Bruxelles (LHUB-ULB); Brussels Belgium