Funding for this research was provided by:
University of Neyshabur
Received: 1 July 2020
Accepted: 26 January 2021
First Online: 15 February 2021
Compliance with ethical standards
: The study authors declare no conflict of interest.
: The study protocol was carried out in compliance with the Declaration of Helsinki and was approved by the Ethics Committee of Sabzevar University of Medical Sciences and registered number IRCT20181006041252N15 in Iranian Registry of Clinical Trials (Primary Registry in the WHO Registry Network).
: Written informed consent was obtained from all volunteers.