Article History
Received: 5 September 2020
Accepted: 9 November 2020
First Online: 2 December 2020
Compliance with ethical standards
:
: The authors declare there is no conflict of interest associated with this manuscript.
: This study was conducted in accordance with the Declaration of Helsinki. The study protocol was approved by the Institutional Review Board of Boramae Medical Center, and written informed consent was obtained from each subject.