Joo, Jae Hong
Kim, Hwi Jun
Park, Eun-Cheol
Jang, Sung-In
Funding for this research was provided by:
Yonsei University College of Medicine (6-2018-0174, 6-2017-0157)
Article History
Received: 2 July 2020
Accepted: 6 September 2020
First Online: 23 September 2020
Ethics approval and consent to participate
: This study was an analysis of existing data; thus it did not require approval by ethics review board. The data that was used in this study is the KNHANES and it has been getting an annual review and approval by Korea Centers for Disease Control (KCDC) Research Ethics Review Committee since 2007.
: Not applicable.
: The authors declare that they have no competing interest.