1 Department of Medical Emergencies, School of Allied Medical Sciences, Non-communicable Diseases Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran.
2 Department of Nursing, Iranian Research Center on Healthy Aging, Sabzevar University of Medical Sciences, Sabzevar, Iran.
3 Department of Public Health, School of Health, Iranian Research Center on Healthy Aging, Sabzevar University of Medical Sciences, Sabzevar, Iran.