1. Sanitary Engineering Laboratory, Department of Water Resources and Environmental Engineering, School of Civil Engineering, National Technical University of Athens, Athens, Greece
2. Department of Biochemical Engineering, University College London, London, UK
3. Department of Civil & Environmental Engineering, Uxbridge Campus, Institute of Environment, Health and Societies, Brunel University London, Uxbridge, UK
4. Department of Biotechnology, University of Verona, Verona, Italy
5. Department of Science and Engineering of Materials, Environment and Urban Planning-SIMAU, Marche Polytechnic University, Ancona, Italy