1. Institute of Hydraulic Engineering and Water Resources Management E222/2, TU Wien, Karlsplatz 13, A-1040 Vienna, Austria
2. Interuniversity Cooperation Centre (ICC) Water & Health, A-1060 Vienna, Austria
3. Medical University of Vienna, Institute for Hygiene and Applied Immunology, Water Hygiene, Kinderspitalgasse 15, A-1090 Vienna, Austria
4. Research Group Environmental Microbiology and Molecular Diagnostics 166/5/3, Institute of Chemical, Environmental and Bioscience Engineering, TU Wien, Gumpendorferstraße 1a, A-1060 Vienna, Austria
5. Karl Landsteiner University for Health Sciences, Department Physiology, Pharmacology and Microbiology, Research Division Water Quality & Health, 3500 Krems, Austria