Article History
Received: 20 February 2021
Accepted: 28 July 2021
First Online: 4 August 2021
Declarations
:
: 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.
: Not applicable.
: The authors declare that they have no competing interests.