1. Institute for Chemistry and Biology of the Marine Environment, Carl-von-Ossietzky University Oldenburg, Schleusenstr. 1, 26382 Wilhelmshaven, Germany
2. Leibniz Center for Tropical Marine Research (ZMT) GmbH, Fahrenheitstr. 6, 28359 Bremen, Germany
3. GEOMAR Helmholtz Centre for Ocean Research, Christian-Albrechts University of Kiel, Düsternbrooker Weg 20, 24105 Kiel, Germany
4. Institute of Marine Sciences (IMS), Mizingani Road, P.O Box 668, Stonetown, Zanzibar, Tanzania
5. Helmholtz Institute for Functional Marine Biodiversity, Carl von Ossietzky University of Oldenburg, Ammerländer Heeerstr. 231, 26129 Oldenburg, Germany