Funding for this research was provided by:
National Research Foundation (2020R1A2C2009496)
Received: 22 August 2020
Accepted: 16 March 2021
First Online: 31 March 2021
: The study was approved by the Institutional Review Board of Kyungpook National University Hospital (IRB No. 2018–04-020–007) and performed in accordance with the principles of the Declaration of Helsinki. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.