1. Itasca Biological Station and Laboratories University of Minnesota Twin Cities Lake Itasca Minnesota
2. Department of Biology York University Toronto Ontario Canada
3. Department of Ecology and Environmental Science Umeå University Umeå Sweden
4. Department of Sustainable Agro‐ecosystems and Bioresources Research and Innovation Centre, Fondazione Edmund Mach San Michele all'Adige Italy
5. Department of Physical and Environmental Sciences University of Toronto Scarborough Toronto Ontario Canada
6. Center for Limnology University of Wisconsin‐Madison Madison Wisconsin
7. Limnological Institute, Department of Biology University of Konstanz Konstanz Germany
8. Department of Ecology and Genetics/Limnology Uppsala University Uppsala Sweden