1. Department of Cardiology, Faculty of Medicine, Fatemeh Zahra Teaching Hospital, Cardiovascular Research Center, Mazandaran University of Medical Sciences, Sari, Iran
2. Department of Hematology, Gastrointestinal Cancer Research Center, Mazandaran University of Medical Sciences, Sari, Iran
3. Student Research Committee, Faculty of Medicine, Mazandaran University of Medical Sciences, Cardiovascular Research Center, Sari, Iran
4. Department of Biostatistics, Cardiovascular Research center, Faculty of Health, Mazandaran University of Medical Sciences, Sari, Iran