1. Department of Bacteriology, Kimron Veterinary Institute, Bet Dagan, Israel
2. Department of Plant Pathology, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
3. Department of Animal Sciences, Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
4. Microbial Food-Safety Research Unit, Department of Food Quality and Safety, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel