1. Department of Restorative Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
2. Central Research Laboratory, Female Campus, King Saud University, Riyadh, Saudi Arabia
3. Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, KS, United States of America
4. Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia