3 Université Catholique de Louvain, Institute of Experimental and Clinical Research, Microbiology, Brussels, Belgium; St-Luc University Hospital, Brussels, Belgium.
4 Laboratory Medicine, Iris Hospitals South, Brussels, Belgium; Faculty of Medicine, Université libre de Bruxelles, Brussels, Belgium; Department of Pharmacy, Namur Research Institute for LIfe Sciences, University of Namur, Belgium. Electronic address: mtrehardy@his-izz.be.