1. Tobacco Prevention and Control Research Center
2. Lung Transplantation Research Center
3. Cardiovascular Department
4. Tracheal Disease Research Center
5. Intensive Care Department
6. Chronic Respiratory Diseases Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Disease (NRITLD), Masih-Daneshvari Hospital, Shahid Beheshti University MC, Tehran, Iran
7. Cardiovascular Research Center, Shahid Beheshti University MC, Tehran, Iran
8. Center for Outcomes Research and Evaluation
9. Section of Cardiovascular Medicine, Department of Internal medicine, Yale University School of Medicine, New Haven, CT, USA