Received: 12 August 2020
Accepted: 22 December 2020
First Online: 15 January 2021
Ethics approval and consent to participate
: The study protocol was approved by the Ethics Committee of Tehran University of Medical Sciences (IRB 1398.397, 8/13/2019).
: All subjects were informed about the study goal and methods. They were enrolled after their written informed consent.
: The authors declare that they have no competing interests.