Funding for this research was provided by:
Received: 17 November 2020
Accepted: 28 February 2021
First Online: 24 March 2021
: This study was approved by the institutional bioethics committee of our university hospital (Wonkwang University Hospital IRB approval number: 2019-03-015) and conducted in accordance with the principles of the Declaration of Helsinki. Informed consent obtained was written from all study participants.
: Not applicable.
: The author declares that they have no competing interests.