Ethics approval and consent to participate
The study was approved by the Ethics Committee of the Research Deputy of the Shahid Sadoughi University of Medical Sciences (code: IR.SSU.REC.1399.260). Based on the list available at the institute, first, the research objectives and the reason for conducting the research were explained to the participants via text messages or phone calls. After calling the participants and obtaining more information, they announced their consent or dissatisfaction to enter the study. It was emphasized that refusing to participate in the study would not interfere with providing regular care for the patients. After explaining the study’s aims to the participants, written informed consent was obtained from them, and their confidentiality was ensured.