1. Department of Community Oral Health, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
2. Research Centre for Caries Prevention, Dental Research Institute, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
3. Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
4. Health Metrics Research Center, Institute for Health Sciences Research, ACECR, Tehran, Iran