| Affiliation: | 1. Student Research Committee, Department of Operating Room, Hamadan University of Medical Sciences, Hamadan, Iran;2. Department of Operating Room, School of Paramedicine, Hamadan University of Medical Sciences, Hamadan, Iran;3. Department of Heart Surgery, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran;4. Farshchian Hospital, Hamadan University of Medical Sciences, Hamadan, Iran;1. Surgical Anesthesia Center, The First People''s Hospital of Longquanyi District, Chendu 610100, China;2. Department of Anesthesia, West China Hospital, Sichuan University, Chengdu 610000, China |
