Funding for this research was provided by:
Mazandaran University of Medical Sciences
Received: 25 April 2019
Accepted: 28 January 2021
First Online: 15 February 2021
Ethics approval and consent to participate
: The study was approved by Mazandaran University’s Medical Sciences Ethics Committee (IR.MAZUMS.REC.1398.4773). Participants were informed about the study aims and procedures (e.g., that participation was voluntary and wouldn't affect medical care) before signing an informed consent document. All personal data were de-identified by assigning codes to the participants.
: Not applicable.
: The authors declare that they have no competing interests.