1. Laboratory of Chemical and Environmental
Engineering (LEQUiA), Institute of the Environment, University of Girona, Campus Montilivi s/n, Facultat de Ciències,
E-17071 Girona, Spain
2. Laboratory
of Microbial Ecology
and Technology (LabMET), Ghent University, Coupure Links 653, B-9000 Gent, Belgium