1. Environmental Microbiology and Biotechnology (EMB), Aquatic Microbial Ecology, University of Duisburg-Essen
2. Division of Molecular Microbiology, School of Life Sciences, University of Dundee
3. Molecular Biology of Archaea, Faculty of Biology, University of Freiburg
4. Group for Aquatic Microbial Ecology, Environmental Microbiology and Biotechnology, Faculty of Chemistry University Duisburg-Essen
5. Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens
6. Centre of Water and Environmental Research (ZWU), University of Duisburg-Essen