Received: 8 February 2021
Accepted: 20 September 2021
First Online: 27 September 2021
: This study was approved in the Research Department of Guilan University of Medical Sciences with the ethics code of IR.GUMS.REC.1398.145 and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Written Informed consent was obtained from all individual adult participants included in this study. The consent form for illiterate people was read by their first degree relatives and in the absence of the first family, the form was read by one of their trusted people. This manuscript has not been published in whole or in part. All authors have read the manuscript and have agreed that the work is ready for submission and accept responsibility for its contents.
: Not applicable.
: The authors declare that they have no conflict of interest.