1. Division of Restorative Dental Sciences, College of Dentistry, Ajman University, 346 Ajman, Ajman, UAE
2. Department of Reconstructive Dentistry and Gerodontology, School of Dental Medicine, Faculty of Medicine, University of Bern, Bern 3010, Switzerland
3. Vicerrectorado de Investigación-EIDUCAM, Universidad Católica San Antonio de Murcia (UCAM), Murcia 30107, Spain
4. Department of Oral Surgery and Stomatology, School of Dental Medicine, Faculty of Medicine, University of Bern, Bern 3010, Switzerland
5. Department of Restorative Dentistry, Edinburgh Dental Institute, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh EH3 9HA, UK
6. Department of Prosthodontics, College of Dentistry, Riyadh Elm University, Riyadh 12611, Saudi Arabia
7. Postgraduate Studies and Scientific Research, Riyadh Elm University, Riyadh 12611, Saudi Arabia
8. Department of Oral Health Sciences, Faculty of Dentistry, University of British Columbia, Vancouver BC V6T 1Z3, Canada
9. Division of Prosthodontics and Geriatric Dentistry, Faculty of Dentistry, University of British Columbia, Vancouver BC V6T 1Z3, Canada