Wu, Zhen-Yu
Kim, Hee Jeong
Lee, Jongwon
Chung, Il Yong
Kim, Jisun
Lee, Sae Byul
Son, Byung-Ho
Kim, Eun Key
Jeong, Jae Ho
Lee, Hee Jin
Chae, Eun Young
Jung, Jinhong
Ahn, Sei-Hyun
Ko, BeomSeok https://orcid.org/0000-0001-7831-7874
Article History
Received: 29 June 2021
Accepted: 14 October 2021
First Online: 31 October 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: This study was approved by the institutional review board of Asan Medical Center, Seoul, Korea. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Because of the retrospective nature of the study, the requirement for informed consent was waived, and the study was conducted with the exemption of consent under IRB deliberation as it used a platform that offers unidentified clinical information for research purposes.