1. Department of Environmental Engineering, Technical University of Denmark, Lyngby 2800, DK
2. Department of Biology, University of Copenhagen, Copenhagen 2100, Denmark
3. School of Engineering, Newcastle University, Newcastle Upon Tyne NE1 7RU, U.K.
4. Department of Microbiology and Parasitology, CIBUS-Faculty of Biology & Institute CRETUS, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain
5. Department of Civil and Environmental Engineering, Michigan State University, East Lansing 48824, Michigan, USA
6. School of Engineering and Technology, Central Michigan University, Mt. Pleasant 48859, Michigan, USA