1. UCIBIO/REQUIMTE, Laboratório de Microbiologia, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
2. Centre of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, KU Leuven, Leuven, Belgium
3. Laboratory of Gene Technology, Department of Biosystems, KU Leuven, Leuven, Belgium
4. Centre for Microbiology and Infectious Diseases, The Westmead Institute for Medical Research, The University of Sydney, Westmead Hospital, Sydney, Australia
5. Institute of Biology, Leiden University, Leiden, The Netherlands