Leem, Ah Young
Kim, Young Sam
Chung, Kung Soo
Park, Moo Suk
Kang, Young Ae
Park, Young-Mok
Jung, Ji Ye http://orcid.org/0000-0003-1589-4142
Funding for this research was provided by:
National Research Foundation of Korea grant funded by the Korean Government (NRF-2018R1A5A2025079)
Article History
Received: 7 September 2021
Accepted: 7 July 2022
First Online: 13 July 2022
Declarations
:
: The Korea Centers for Disease Control and Prevention obtained written informed consent from all participants regarding the collection of their data, and the Institutional Review Board of Severance Hospital approved the study protocol (4-2021-0074). The study procedures have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. You may have to state that specific national laws have been observed, too.
: Not applicable.
: The authors declare that they have no competing interests.