1. Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran;
2. Dental Materials Unit, Center for Dental and Oral Medicine, Clinic for Fixed and Removable Prosthodontics and Dental Materials Science, University of Zürich, Zurich, Switzerland;
3. Specialization Candidate, Department of Reconstructive Dentistry and Gerodontology, School of Dental Medicine, University of Bern, Bern, Switzerland;
4. Pharmacology and Toxicology Department, Maragheh University of Medical Sciences, Maragheh, Iran;
5. Students’ Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran