Received: 7 July 2020
Accepted: 16 December 2020
First Online: 2 January 2021
Ethics approval and consent to participate
: The performed study's protocol was following the principles of the declaration of Helsinki and the Nuremberg Code and approved by the Ethics Committee of Tehran University of Medical Sciences. The project approval number is IR.TUMS.MEDICINE.REC.1396.3662. An oral and written informed consent was obtained for each participants in this study.
: Not applicable.
: The authors declare no competing interests.