V Saegeman1, L Popleu2, V Cossey2, A Schuermans2. 1. Department of Laboratory Medicine, University Hospitals Leuven, Leuven, Belgium; Department of Microbiology and Immunology, KU Leuven - University of Leuven, Leuven, Belgium; Department of Infection Control and Epidemiology, University Hospitals Leuven, Leuven, Belgium. Electronic address: Veroniek.Saegeman@uzleuven.be. 2. Department of Infection Control and Epidemiology, University Hospitals Leuven, Leuven, Belgium.