1. Department of Ecology and Genetics, Limnology, Uppsala University, Uppsala, Sweden
2. Department of Ecology, Environment, and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden
3. Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Uppsala, Sweden
4. Department of Biology, University of Waterloo, Waterloo, Ontario, Canada
5. Department of Civil and Environmental Engineering, University of Wisconsin, Madison, Madison, Wisconsin, USA
6. Department of Bacteriology, University of Wisconsin, Madison, Madison, Wisconsin, USA
7. Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
8. Department of Forest Mycology and Plant Pathology, Science for Life Laboratory, Swedish University of Agricultural Sciences, Uppsala, Uppsala, Sweden