Funding for this research was provided by:
Vice-Chancellor of Research of Mashhad University of Medical Sciences (930125)
Received: 10 September 2021
Accepted: 18 October 2021
First Online: 16 November 2021
: The study protocol adhered to the tenets of the Declaration of Helsinki. All participants provided written informed consent before enrollment and the ethical aspects of the study were approved by the Regional Committee on Medical Ethics at Mashhad University of Medical Sciences, Mashhad, Iran (IR.MUMS.REC.1393.78).
: Because the cases and controls are anonymous and were not depicted in the report, consent for publication is not applicable.
: The authors declare that they have no competing interests.