1. Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts, USA
2. Group for Aquatic Microbial Ecology, Environmental Microbiology and Biotechnology, Department of Chemistry, University of Duisburg-Essen, Essen, Germany
3. Center for Astronomy and Astrophysics, Technische Universität Berlin, Berlin, Germany
4. German Research Centre for Geosciences, Section Geomicrobiology, Potsdam, Germany
5. Department of Experimental Limnology, Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Stechlin, Germany
6. Research Unit for Comparative Microbiome Analysis, Helmholtz Zentrum München, German Research Center for Environmental Health, Oberschleißheim, Germany