1. GEOMAR Helmholtz Centre for Ocean Research Kiel Kiel Germany
2. University of Namibia Windhoek
3. Institute for Chemistry and Biology of the Marine Environment, Carl von Ossietzky University Oldenburg Oldenburg Germany
4. BIOS Bermuda Institute of Ocean Science St. George's Bermuda
5. Environmental and Marine Biology, Åbo Akademi University Åbo Finland