1. Department of Operative Dentistry and Endodontics, Altamash Institute of Dental Medicine, Karachi, Pakistan
2. Department of Oral Pathology, Bahria University Dental College, Karachi, Pakistan
3. Department of Restorative Dental Sciences, College of Dentistry, King Faisal University, Al-Ahsa, Saudi Arabia
4. Department of Prosthodontics, Ziauddin College of Dentistry, ZiauddinUniversity, Karachi, Pakistan
5. Department of Prosthodontics, Altamash Institute of Dental Medicine, Karachi, Pakistan
6. Dental Research Unit, Center for Global Health Research, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India
7. Department of Prosthodontics, Faculty of Stomatology, Yerevan State Medical University after Mkhitar Heratsi, Yerevan, Armenia