1. Cardiovascular Department, National Research Institute of Tuberculosis and Lung Disease, Shahid Beheshti University MC, Tehran, Iran
2. Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut
3. Center for Outcomes Research and Evaluation, Yale University School of Medicine, New Haven, Connecticut
4. Tobacco Prevention and Control Research Center, National Research Institute of Tuberculosis and Lung Disease, Shahid Beheshti University MC, Tehran, Iran