1 Institute for Microbiology, Christian-Albrechts-University Kiel, Kiel, Germany.
2 Diagnostic & Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University Graz, Graz, Austria.
3 Department of Microbiology, Unit of Evolutionary Biology of the Microbial Cell, Institut Pasteur, Paris, France.
4 European Molecular Biology Laboratory, European Bioinformatics Institute, Cambridge, UK.
5 Wellcome Sanger Institute, Cambridge, UK.
6 Institut Universitaire de Technologie Clermont Auvergne, Université Clermont Auvergne, CNRS, UMR 6023 Laboratoire Microorganismes: Genome et Environnement, Clermont-Ferrand, France.
7 Institute for Microbiology, Christian-Albrechts-University Kiel, Kiel, Germany. rschmitz@ifam.uni-kiel.de.
8 Diagnostic & Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University Graz, Graz, Austria. christine.moissl-eichinger@medunigraz.at.