1. Dentofacial Deformities Research Center, Research Institute of Dental Sciences Shahid Beheshti University of Medical Sciences Tehran Iran
2. Topic Group Dental Diagnostics and Digital Dentistry, ITU/WHO Focus Group AI on Health Berlin Germany
3. Division of Endodontics, Department of Advanced Oral Sciences and Therapeutics University of Maryland School of Dentistry Baltimore Maryland USA
4. Private Practice, Irvine Endodontics Irvine California USA
5. Department of Endodontics, School of Dental Medicine Case Western Reserve University Cleveland Ohio USA
6. Department of Restorative Dentistry College of Dental Medicine, University of Sharjah Sharjah UAE
7. School of Dentistry, College of Biomedical and Life Sciences Cardiff University Cardiff UK
8. Division of Restorative Dentistry Dublin Dental University Hospital, Trinity College Dublin Dublin Ireland
9. Private Practice, Centreville Endodontics Centreville Virginia USA