1. Department of Cardiology; Iran University of Medical Sciences; Rasool Akram General Hospital; Tehran Iran
2. Department of Pulmonary and Critical Care Medicine; Iran University of Medical Sciences; Rasool Akram General Hospital; Tehran Iran
3. Department of Internal Medicine; Rasool Akram General Hospital; Tehran Iran
4. Department of Cardiovascular and Thoracic Surgery; Tehran University of Medical Sciences; Shariati Hospital; Tehran Iran
5. Department of Pathology; Iran University of Medical Sciences; Rasool Akram General Hospital; Tehran Iran