Ethics approval and consent to participate
This study was approved by the Research Ethics Committee of Mashhad University of Medical Sciences, Mashhad, Iran (approval number: IR.MUMS.REC.1397.697). This research was conducted in full compliance with the codes of ethical conduct from the 1964 Declaration of Helsinki. This clinical trial adheres to the CONSORT guidelines. Patients were provided with written informed consent forms before they were enrolled.