Funding for this research was provided by:
National Research Foundation of Korea (NRF-2019R1A2C1002350)
Korea National Institute of Health (2017-NI73002-02)
Received: 20 July 2020
Accepted: 5 November 2020
First Online: 12 November 2020
Ethics approval and consent to participate
: This study was performed in accordance with the principles of the Declaration of Helsinki and was approved by Kangwon National University Hospital (Chuncheon, Korea) Institutional Review Board (IRB) (KWNUIRB-2017-11-003).
: Not applicable.
: The authors declare no conflict of interests.