Affiliation: | 1. Craniomaxillofacial Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran;2. Department of Oral and Maxillofacial Surgery, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran;3. Psychosomatic Research Center, Imam Khomeini Hospital, Tehran University of Medical Science, Tehran, Iran;4. Community Oral Health Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran;5. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran |