Received: 10 February 2020
Accepted: 22 June 2020
First Online: 26 June 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of Iran University of medical science Due to the fact that no interventions are performed on patients, the condition for the confidentiality of patient information is not a moral restriction by the Ethics Committee.
: Not Applicable.
: The authors have no conflicts of interest to declare for this study.