1. Division of Microbial Ecology, Department of Microbiology and Ecosystem Science, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
2. Department of Biology, Faculty of Marine and Environmental Sciences, University of Cádiz, Cádiz, Spain
3. Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, Vienna, Austria
4. Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
5. WATEC, Department of Biology, Aarhus University, Aarhus, Denmark