1. Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz
2. Gastroenterology, Liver & Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz
3. Road Traffic Injury Research Center and Department of Statistics and Epidemiology, Faculty of Health, Tabriz University of Medical Sciences, Tabriz
4. Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz
5. Common Diseases Risk Factors Management Institute, Tabriz University of Medical Sciences, Tabriz
6. Research Center for Evidence Based Medicine and Faculty of Health, Tabriz University of Medical Sciences, Tabriz, Iran