1. Medical College, Shahrekord University of Medical Sciences, Shahrekord, Iran
2. School of Nursing and Midwifery, Shahrekord University of Medical Sciences, Shahrekord, Iran
3. Gastroenterology and Hepatology Disease Research Center Qom University of Medical Science, Iran
4. Department of Anaesthesiology, Shahrekord University of Medical Sciences, Shahrekord, Iran