1. Department of ProsthodonticsSchool of DentistryShahid Beheshti University of Medical Sciences TehranIran
2. Dental Research Center, Research Institute of Dental Sciences, School of DentistryShahid Beheshti University of Medical Sciences TehranIran
3. Dentistry Research InstituteSchool of DentistryShahed University TehranIran
4. Department of ProsthodonticsFaculty of StomatologyYerevan State Medical University after Mkhitar Heratsi YerevanArmenia
5. Department of Oral and Maxillofacial SurgerySchool of DentistryShahid Beheshti University of Medical Sciences TehranIran
6. Rajaie Cardiovascular Medical and Research CenterIran University of Medical Sciences TehranIran