1. Institute for Chemistry and Biology of the Marine Environment, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
2. Scientific Division Polar Biological Oceanography, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
3. Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC, Canada
4. Institute for the Oceans and Fisheries, University of British Columbia, Vancouver, BC, Canada
5. Department of Biology, University of Padova, Padua, Italy
6. Helmholtz Institute for Functional Marine Biodiversity (HIFMB), University of Oldenburg, Oldenburg, Germany