1. Department of Natural Sciences; Linnaeus University; Kalmar Sweden
2. Marine Biological Section; University of Copenhagen; Helsingør Denmark
3. Department of Ecology and Genetics, Limnology and Science for Life Laboratory; Uppsala University; Uppsala Sweden
4. Department of Environmental Microbiology; Helmholtz Centre for Environmental Research - UFZ, Microbial Ecosystem Services Group; Leipzig Germany
5. Institute of Marine Sciences, CSIC; Barcelona Spain
6. Department of Marine Sciences; University of Georgia; Athens GA USA