[1] Hamadan University of Medical Sciences,Department of Anesthesiology and Critical Care, School of Medicine
[2] Hamadan University of Medical Sciences,Department Infectious Disease, School of Medicine
[3] Shahid Beheshti university of Medical Sciences,Department of medical and surgical nursing, school of nursing and midwifery
[4] Hamadan University of Medical Sciences,Department of Epidemiology, School of Public Health
[5] Hamadan University of Medical Sciences,Department of Clinical Pharmacy, School of Pharmacy, Medicinal Plants and Natural Products Research Center