1. BCCM/LMG Bacteria Collection, Laboratory of Microbiology, Faculty of Sciences, Ghent University, K.L. Ledeganckstraat 35, B-9000 Ghent, Belgium
2. Phibro Animal Health Corporation, Glenpointe Centre East, Frank W. Burr Blvd, Ste 21, Teaneck, NJ 07666, USA