1. Department of Operative Dentistry and Endodontics, Dow International Dental College, Dow University of Health Sciences, Karachi, Pakistan
2. Department of Operative Dentistry and Endodontics, Liaquat College of Medicine and Dentistry, Karachi, Pakistan
3. Department of Prosthodontics and Dental Implantology, College of Dentistry, King Faisal University, Al-Ahsa, Saudi Arabia
4. Department of Operative Dentistry and Endodontics, Dr. Ishrat-ul-Ebad Khan Institute of Oral Health Sciences, Dow University of Health Sciences, Karachi, Pakistan
5. Department of Operative Dentistry and Endodontics, Baqai Medical University, Karachi, Pakistan
6. Department of Operative Dentistry and Endodontics, Hamdard University Dental Hospital, Karachi, Pakistan
7. Department of Restorative Dentistry, College of Dentistry, King Faisal University, Al Ahsa, Saudi Arabia