1. Technische Universität Darmstadt; Institute IWAR; Chair of Wastewater Engineering; Darmstadt Germany
2. Karlsruhe Institute of Technology; Engler-Bunte-Institut; Chair for Water Chemistry and Water Technology; Karlsruhe Germany
3. Center for Microbial Communities; Department of Chemistry and Bioscience; Aalborg University; Aalborg Denmark
4. EnviroChemie GmbH; Rossdorf Germany