1. Persian Cohort Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
2. Clinical Research Development Unit, Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
3. Department of Internal Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
4. Department of Medical Informatics, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
5. Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Iran