Received: 1 November 2020
Accepted: 22 February 2021
First Online: 1 March 2021
Ethics approval and consent to participate
: The study protocol was approved by the ethics committee of Tehran University of medical sciences (IR.TUMS.VCR.REC.1397.804) and is acknowledged by authors. All participants signed a written informed consent.
: All authors performed editing and approving the final version of this paper for submission, also participated in the finalization of the manuscript and approved the final draft.
: The authors declare that there is no conflict of interest in this study.