1. Department of Clinical Sciences, College of Dentistry, Ajman University, Ajman P.O. Box 346, United Arab Emirates
2. Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman P.O. Box 346, United Arab Emirates
3. Department of Prosthodontics, Future University Egypt, New Cairo P.O. Box 74, Egypt
4. Visiting Faculty, Department of Basic Sciences, College of Dentistry, Ajman University, Ajman P.O. Box 346, United Arab Emirates
5. Visiting Faculty, Department of Clinical Sciences, College of Dentistry, Ajman University, Ajman P.O. Box 346, United Arab Emirates