Funding for this research was provided by:
Iran University of Medical Sciences (IR.IUMS.REC 1396.31743)
Received: 18 May 2020
Accepted: 9 November 2020
First Online: 8 December 2020
: Ethical approval was achieved from the Ethics Committee of Iran University of Medical Sciences (IR.IUMS.REC 1396.31743).
: In the current study, no patients’ individual data was used and hence no consent was needed for publication.
: The authors declare that they have no competing interests.