1. University of Sharjah, College of Dental Medicine, Department of Preventive and Restorative Dentistry Sharjah UAE
2. College of Dentistry Ohio State University Columbus Ohio USA
3. Faculty of Medicine and Dentistry University of Alberta Alberta Edmonton Canada
4. Department of Clinical Sciences, College of Dentistry Ajman University Ajman UAE
5. Centre of Medical and Biomedical Allied Health Sciences Research Deanship of Graduate Studies and Research Ajman UAE
6. Division of Restorative Dentistry Dublin Dental University Hospital, Trinity College Dublin Dublin Ireland
7. UWA Dental School The University of Western Australia Perth Western Australia Australia
8. School of Dentistry, College of Biomedical and Life Sciences Cardiff University Cardiff UK