Received: 20 October 2020
Accepted: 21 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: The ethical committee of Mazandaran University of Medical Sciences approved the study protocol (Ethics Code; IR.Mazums.Rec.96.2971). All patients received verbal and printed information, and all provided written consent before entry into this study.
: Not applicable.
: The authors of present study declare that they have no conflict of interest.