1. Universität Innsbruck, Institute of Ecology, Technikerstr. 25, 6020 Innsbruck, Austria.
2. Department of Cell Biology, University of Salzburg, Hellbrunnerstr. 34, 5020 Salzburg, Austria.
3. Systema GmbH, Bensasteig 8, 1140 Vienna, Austria.
4. Universität Innsbruck, Research Institute for Limnology, Mondsee, Mondseestr. 9, 5310 Mondsee, Austria.
5. Department of Botany, Faculty of Biology, Sofia University “St Kliment Ohridski,” Bld. Dr. Zankov 8, 1164 Sofia, Bulgaria.
6. Department of Environmental Protection and Conservation, Port Vila, Vanuatu.
7. The Norwegian Institute of Nature Research, 7047 Trondheim, Norway.
8. University of Tartu, Estonian Marine Institute, Mäealuse 14, 12618 Tallinn, Estonia.