1. Max Planck Institute for Terrestrial Microbiology; Department of Biogeochemistry; Karl-von-Frisch-Strasse 10; 35043; Marburg; Germany
2. Federal Institute for Materials Research and Testing; Unter den Eichen 87; 12205; Berlin; Germany
3. Institute of Biology/Zoology; Free University of Berlin; Königin-Luise-Strasse 1-3; 14195; Berlin; Germany