Funding for this research was provided by:
Ministry of Health and Welfare (HI16C1559)
National Research Foundation of Korea (2019R1F1A1060978, 2019R1C1C1004017)
Received: 20 August 2020
Accepted: 10 February 2021
First Online: 21 February 2021
Ethics approval and consent to participate
: This research was approved by CHA Bundang Medical Center, CHA University, Institutional Review Board (registration no. 2013–01–174-012).
: Written informed consent was obtained from all study participants for publication.
: The authors declare that they have no competing interests.