Received: 12 January 2020
Accepted: 20 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Tabriz University Medical of Sciences (IR.TBZMED.REC.1397.1016) in March 2019. We obtained from study participants written consent.
: Not applicable.
: The authors declare that they have no competing interests. The study has not received funding from any organization.