1. Dental Students’ Research Committee, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
2. Private Practice, Dental Students’ Research Committee, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
3. Department of Periodontics, School of Dentistry, Islamic Azad University, Isfahan, Iran
4. Department of Prosthodontics, School of Dentistry, Islamic Azad University, Isfahan, Iran
5. Department of Oral and Maxillofacial Surgery, The Dental College of Georgia, Augusta University, Augusta, Georgia
6. School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
7. Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Canada
8. Department of Epidemiology and Biostatistics, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
9. Department of Automatic Control (ESAII), Biomedical Engineering Research Centre, The Technical University of Catalonia, Barcelona, Spain