1. Department of Applied Dental Sciences, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, Jordan
2. Department of Applied Medical Sciences, Luminus Technical University College, Amman, Jordan
3. Engineer Abdullah Bugshan Research Chair for Dental and Oral Rehabilitation, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
4. Restorative Dental Sciences Department, College of Dentistry, King Saud University, Riyadh, Saudi Arabia