Shim, Jae-Geum
Kim, Dong Woo
Ryu, Kyoung-Ho
Cho, Eun-Ah
Ahn, Jin-Hee
Kim, Jeong-In
Lee, Sung Hyun
Article History
Received: 7 May 2020
Accepted: 29 July 2020
First Online: 23 October 2020
Compliance with ethical standards
:
: None.
: This study was approved by the Kangbuk Samsung Hospital Institutional Review Board. The KNHANES received ethical approval from the Institutional Review Board of the Korea Centers for Disease Control and Prevention. Informed consent was obtained from all participants for inclusion in the surveys.