Received: 17 July 2019
Accepted: 15 August 2019
First Online: 10 October 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Qazvin University of Medical Sciences and the participation of individuals was subject to a written consent (Ethics committee reference number: 28/20/9669).
: Not applicable.
: The authors declare that they have no competing interests.