1. Center for Microbial Ecology and Technology (CMET), Ghent University; Coupure Links 653 Ghent BE-9000 Belgium
2. Laboratory for Animal Nutrition and Product Quality (Lanupro); Ghent University; Proefhoevestraat 10 Melle BE-9090 Belgium
3. Microbial Interactions and Processes Research Group, Department of Molecular Infection Biology; Helmholtz Centre for Infection Research; Inhoffenstraβe 7 Braunschweig D-38124 Germany