Funding for this research was provided by:
Mazandaran University of Medical Sciences (10320)
Received: 16 November 2020
Accepted: 29 January 2021
First Online: 15 February 2021
Ethics approval and consent to participate
: The study was approved by the ethical committee of Mazandaran University of Medical Sciences, Sai, Iran (MAZUMS) (Consent Ref: NO.14.5.1396). The informed consent was obtained from all the participants or a close relative. Identifying information of each specimen was kept no-name and secret.
: There is no limit to the publication. All authors consented for the publication of this research.
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.