Ethics approval and consent to participate
This study is the result of a research project approved by Ethics Committee of Tabriz University of Medical Sciences with ethics code IR.TBZMED.REC.1400.678 and registration code of (IRCT20170506033834N9) on Iranian Registry of Clinical Trials site. The study complies with the World Medical Association Helsinki Declaration regarding the ethical conduct of research involving human subjects. The study protocol was developed following the Consort guidelines for clinical trials and included a completed CONSORT checklist. Written informed consent was obtained from each individual participant. The principles of anonymity and confidentiality were applied and the participants were provided with the results upon their request.