Kang, Jieun
Kim, Yeon Joo
Choe, Jooae
Chae, Eun Jin
Song, Jin Woo http://orcid.org/0000-0001-5121-3522
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2019R1A2C2008541)
Article History
Received: 26 January 2021
Accepted: 14 May 2021
First Online: 20 May 2021
Declarations
:
: This study was conducted in accordance with the amended Declaration of Helsinki and the protocol was approved by the Institutional Review Board of Asan Medical Center (2017–1081). Informed consent was waived due to the retrospective nature of the study.
: The authors declare that they have no competing interests.