1. Laboratory of Microbiology, Department of Agrotechnology and Food Sciences, Wageningen University, 6703 CT Wageningen, The Netherlands
2. Laboratoire dEcologie et Physiologie du Systeme Digestif, Institut National de la Recherche Agronomique, 78352, Jouy-en-Josas, Cedex, France
3. University of Glasgow, Yorkhill Hospitals, Glasgow, G3 8SJ, United Kingdom