Received: 30 January 2020
Accepted: 22 October 2020
First Online: 31 October 2020
Ethics approval and consent to participate
: The written informed consent was completed by the patients and study protocol was approved in the Ethics Committee of Guilan University of Medical Sciences (IR.Gums.Rec.1397.295).
: Not applicable.
: The authors declare that they have no competing interests.