1. Department of Hydraulic and Environmental Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile
2. Department of Molecular Genetics and Microbiology, Pontificia Universidad Católica de Chile, Santiago, Chile
3. Environmental Technology and Materials Centre, Department of Chemistry, Pontificia Universidad Javeriana, Bogotá, Colombia
4. Department of Water Technology and Environmental Engineering, Faculty of Environmental Technology, University of Chemistry and Technology Prague, Prague 6, Czech Republic