1. Department
of Civil, Chemical, Environmental and Materials Engineering (DICAM), University of Bologna, via Terracini, 28, I-40131 Bologna, Italy
2. Center
for Microbial Ecology and Technology − Faculty of Bioscience
Engineering, Gent University, Coupure Links 653, B-9000 Gent, Belgium
3. Department
of Chemistry, UCBIO-Requimte, Faculty of Science & Technology, New University of Lisbon, 2829-516 Caparica, Portugal