Funding for this research was provided by:
National Research Foundation of Korea (NRF-2020R1I1A2054761)
Received: 31 January 2021
Accepted: 16 June 2021
First Online: 3 July 2021
: The study was approved by the Institutional Review Board of Inha University Hospital (IRB No. 2020-08-020-000) and performed in accordance with the principles of the Declaration of Helsinki.
: The authors declare that they have competing interests.