1. School of Medicine , The University of Jordan , Amman , Jordan
2. Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences , Jordan University of Science and Technology , Irbid , Jordan
3. Department of Biology , School of Science , Concordia University , Montreal , Canada
4. Department of Biology , School of Science , University of Jordan , Amman , Jordan
5. Department of Pharmacology and Toxicology , School of Medicine , Virginia Commonwealth University , Richmond , Virginia, United States