1. Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, 10903 New Hampshire Avenue, Silver Spring, MD 20993, USA
2. Bacteriology Laboratory, Wadsworth Center, the New York State Department of Health, 120 New Scotland Ave, Albany, NY 12208, USA
3. Hessian State Laboratory (LHL), Department of Veterinary Medicine, Schubertstrasse 60, 35392 Giessen, Germany
4. Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, 5001 Campus Drive, College Park, MD 20740, USA
5. Bioinformatics and Systems Biology, Justus-Liebig-University Giessen, Heinrich Buff Ring 58, 35392 Giessen, Germany