Received: 28 November 2020
Accepted: 10 March 2021
First Online: 18 March 2021
: The study has been performed in accordance with the Declaration of Helsinki and has been approved by the Ethics Committee of the Research Deputy of Bushehr University of Medical Sciences with the ethics code [IR.BPUMS.REC.1395.52]. After a brief explanation about the objectives of the study for the participants, written informed consent was obtained from study participants. Confidentiality was ensured.
: Not applicable.
: The authors declare that they have no competing interests.