Funding for this research was provided by:
Ferdowsi University of Mashhad
Received: 23 April 2020
Accepted: 28 October 2020
First Online: 12 November 2020
Ethics approval and consent to participate
: The current study was approved by Ethical Committee of Ferdowsi University of Mashhad & Mashhad University of Medical Sciences, Mashhad, Iran. Written and verbal informed consents were sought from the study patients at the beginning of the study. The ethics committees approved the use of verbal consent to participate.
: Not Applicable.
: The authors declare that they have no competing interests.