1. Vaccine and Infectious Disease Institute, Universiteit Antwerpen, Wilrijk, Belgium
2. Laboratory of Medical Microbiology, Universiteit Antwerpen, Wilrijk, Belgium
3. Laboratory of Clinical Microbiology, Antwerp University Hospital, Edegem, Belgium
4. Laboratory of Clinical Microbiology, Cliniques Universitaires Saint-Luc-UCLouvain, Brussels, Belgium
5. Belgian National Reference Centre for Enterococci, Antwerp University Hospital, Edegem, Belgium