1. Department of Cardiology, School of Medicine Hazrat‐e Rasool General Hospital, Iran University of Medical Sciences Tehran Iran
2. Department of Cardiology, Faculty of Medicine Cardiovascular Research Center, Mazandaran University of Medical Sciences Sari Iran
3. Imam Khomaini Hospital, Gastrointestinal Cancer Research Center, Mazandaran University of Medical Sciences Sari Iran
4. Faculty of Medicine Iran University of Medical Sciences Tehran Iran
5. Student Research Committee, Faculty of Medicine, Cardiovascular Research Center Mazandaran University of Medical Sciences Sari Iran