1. Food Microbial Sciences Unit, School of Food Biosciences, Whiteknights, PO Box 226, University of Reading, Reading RG6 6AP, UK
2. Waltham Centre for Pet Nutrition, Waltham-on-Wolds, Melton Mowbray, UK
3. DSMZ–Deutsche Sammlung von Mikroorganismen und Zellkulturen, Braunschweig, Germany
4. Culture Collection, Department of Clinical Microbiology, University of Göteborg, Sweden