Kim, Hyunkyu
Kim, Seung Hoon
Jeong, Wonjeong
Jang, Sung-In
Park, Eun-Cheol
Kim, Youseok
Article History
Received: 23 August 2021
Accepted: 4 November 2021
First Online: 1 December 2021
Declarations
:
: The KLoSA study was approved by the Statistics Korea of Korean Government (Approval number: 33602) and Institutional Review Board of Korea National Institute for Ethics Policy (P01–201909–22-002). The survey was conducted after acquiring verbal consent of the participants by the trained study interviewer. This study was exempted from approval by the Institutional Review Board of Yonsei University’s Health System (4–2021-0307), adhering to the principles of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.