1. Student Research Committee, Faculty of Medicine Iran University of Medical Sciences Tehran Iran
2. Associate Professor of Cardiology, Fellowship of Echocardiography, Department of Cardiology, Faculty of Medicine Mazandaran University of Medical Sciences, Cardiovascular Research Center Sari Iran
3. Assistant Professor of Pathology, Department of Pathology, Faculty of Medicine Mazandaran University of Medical Sciences, Cardiovascular Research Center Sari Iran
4. Professor of Biostatic, Department of Biostatics, Faculty of Health Mazandaran University of Medical Sciences Sari Iran