Received: 4 August 2017
Accepted: 23 March 2021
First Online: 8 April 2021
: The protocol of the current study has been approved by the ethics committee of Tabriz University of Medical Sciences; IR.TBZMED.VCR.REC.1398.003) and has been performed according to the PRISMA standards.
: All of the authors have read and approved the article draft and were in agreement of article submission.
: The authors declare that they have no competing interests.