1. Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, PO Box 3030, Irbid 22110, Jordan
2. Department of Nutrition and Food Technology, Jordan University of Science and Technology, PO Box 3030, Irbid 22110, Jordan
3. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Division of Virulence Assessment, 8301 Muirkirk Road, Laurel, MD 20708, USA