1. Dental Research Center; Department of Oral & Maxillofacial Pathology; School of Dentistry; Hamadan University of Medical Sciences; Hamadan Iran
2. Department of Oral & Maxillofacial Pathology; School of Dentistry; Hamadan University of Medical Sciences; Hamadan Iran
3. Modeling of Noncommunicable Diseases Research Center; Department of Biostatistics; School of Public Health; Hamadan University of Medical Sciences; Hamadan Iran