Received: 20 February 2021
Accepted: 7 June 2021
First Online: 23 June 2021
Ethics approval and consent to participate
: Written informed consent was signed by all patients before the examination. The study was done at a private hospital and was approved by the Research Ethics Committee (REC) of the hospital. The protocol of the study was carefully revised by the regulating staff responsible for medical research in the hospital. All ethical approval and consents for the study were archived in a file and marked by the title of the study. The ethical number was not applicable.
: All patients included in this research were fully conscious and older than 16-year-old and gave written informed consent to publish the data contained within this study.
: The authors declare that they have no competing interests