Qazvin University of Medical Sciences - Deputy of health, Tehran University of Medical Sciences - Cancer Research Center, Shahid Beheshti University - Obesity Research Center, Qazvin University of Medical Sciences - Department of Internal Medicine, Qazvin University of Medical Sciences - Communicable Disease Office, Tehran University of Medical Sciences - Cancer Research Center, Qazvin University of Medical Sciences - Student Research Committee, Qazvin University of Medical Sciences - Communicable Disease Office and Tehran University of Medical Sciences