1. Institute of Plant and Microbial Biology, University of Zurich, Zurich, Switzerland
2. Research Core Unit Metabolomics, Hannover Medical School, Hannover, Germany
3. Department of Biology, Faculty of Science, University of Copenhagen, Copenhagen, Denmark
4. Costerton Biofilm Center, Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
5. Focal Area of Infection Biology, Biozentrum, University of Basel, Basel, Switzerland