Funding for this research was provided by:
Tehran University of Medical Sciences (IR.TUMS.VCR.REC.1397.1035)
Received: 12 March 2020
Accepted: 22 February 2021
First Online: 6 March 2021
: This study was approved by the ethical committee of Tehran University of Medical Sciences. (Ethical Code: IR.TUMS.VCR.REC.1397.1035).
: Not applicable.
: The authors declare that they have no competing interests.