1. Department of Industrial Science and Technology, Katholieke Hogeschool Brugge-Oostende, Associated to the Katholieke Universiteit Leuven as faculty of Industrial Sciences, Zeedijk 101, B-8400 Ostend, Belgium
2. Laboratory of Microbial Ecology and Technology (LabMET), Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
3. Centre for Surface Chemistry and Catalysis, Department of Microbial and Molecular Systems (M2S), Faculty of Bio-engineering Sciences, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, B-3001 Heverlee, Belgium