1. Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran;
2. Digestive Disease Research Center, Ardabil University of Medical Sciences, Ardabil, Iran;
3. Nutrition Research Center, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran;
4. Department of Nutrition, Maragheh University of Medical Sciences, Maragheh, Iran;
5. Douglas College, British Columbia, Canada