1. Inter-University Research Center for Aquatic Ecosystems Research; WasserCluster Lunz - Biologische Station; Lunz am See Austria
2. Department of Limnology and Biological Oceanography; University of Vienna; Vienna Austria
3. Stream Biofilm and Ecosystem Research Laboratory, School of Architecture, Civil and Environmental Engineering; École Polytechnique Fédérale de Lausanne (EPFL); Lausanne Switzerland