1. Laboratory of Microbial Ecology and Technology (LabMET); Ghent University; Coupure Links 653 Gent B-9000 Belgium
2. Innolab; Derbystraat 223, Sint-Denijs-Westrem 9051 Belgium
3. Department of Biosystems Engineering; Ghent University; Coupure Links 653 Gent B-9000 Belgium
4. Laboratory of Analytical Chemistry and Applied Biochemistry; Ghent University; Coupure Links 653 Gent B-9000 Belgium
5. Department of Biological and Environmental Engineering; Cornell University; Ithaca NY 14853 USA