1. Student Research Committee, School of Dentistry, Shiraz University of Medical Sciences, Shiraz 71348-14336, Iran
2. Department of Conservative Dentistry and Bucofacial Prosthesis, Faculty of Odontology, Complutense University of Madrid, 28040 Madrid, Spain
3. Research Committee, School of Dentistry, Isfahan University of Medical Sciences, Isfahan 14166-34793, Iran
4. Independent Researcher, Tehran, Iran
5. Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran 19839-69411, Iran
6. Department of Prosthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran 19839-69411, Iran
7. School of Dentistry, Edmonton Clinic Health Academy, University of Alberta, Edmonton, AB T6G 1C9, Canada
8. Department of Science and Research, Islimic Azade University, Tehran 15847-15414, Iran
9. Dentistry Department, Bogomolets National Medical University, 01601 Kyiv, Ukraine