Ethics approval and consent to participate
The study was approved by the ethics committee of Tabriz University of Medical Sciences, Iran (IR.TBZMED.REC.1400.102). 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.