Ethical considerations
The present study was approved by the Ethics Committee of Isfahan University of Medical Sciences (Confirmation code: (IR.MUI.REC.1396.697)), and registered in Iran Registry Clinical Trials (IRCT) (code: IRCT20180516039690N1). After explaining the objectives of the study, participants completed the written consent forms and were assured of the confidentiality of their information. Furthermore, the participants were informed that they had the right to withdraw from the study at any time and were assured of the confidentiality of the study. In general, researchers have adhered to the Declaration of Helsinki (