Funding for this research was provided by:
National Research Fund (NRF-2020R1A2C1008072)
Received: 26 April 2021
Accepted: 20 September 2021
First Online: 24 September 2021
: The KYRBS was conducted by the Ministry of Education, Ministry of Health and Welfare, and KDCA as a nationally approved statistical dataset. The protocol of this secondary analysis study was approved by the Institutional Review Board of the Korea University Medical Center, Ansan Hospital, Gyeonggi-do, Korea (No. 2020AS0309).
: Not applicable.
: The authors declare that they have no competing interests.