Received: 10 August 2020
Accepted: 17 November 2020
First Online: 11 January 2021
Ethics approval and consent to participate
: This study was conducted following the declaration of Helsinki regarding ethical principles for medical research and approved by Shiraz University of Medical Sciences ethics committee (approval code: IR.SUMS.REC.1396.S372). The project was also registered in the Iranian registry of clinical trials (IRCT) and the unique allocated code for this research project was obtained (IRCT2017100136491N1). Written informed consent was obtained from all patients taking part in this study and patients were all made aware that they could leave the study process at any time if desired.
: Not applicable.
: The authors declare that they have no competing interests.