1. Cardiac Anesthesiology; Tracheal Diseases Research Center; NRITLD; Shaheed Beheshti University of Medical Sciences; Tehran Iran
2. Nursing Care Research Center; Semnan University of Medical Sciences; Semnan Iran
3. Department of Surgery; Masih Daneshvari Hospital; Shaheed Beheshti University of Medical Sciences; Tehran Iran
4. Cancer Research Center and Department of Anesthesiology; Semnan University of Medical Sciences; Semnan Iran