Kim, Kyun Young
Ryu, Jung-Hwa
Kang, Duk-Hee
Kim, Seung-Jung
Choi, Kyu Bok
Lee, Shina
Article History
Received: 14 May 2021
Accepted: 4 March 2022
First Online: 14 March 2022
Declarations
:
: The study protocol was approved by the Institutional Review Board of Ewha Womans University Mokdong Hospital (IRB no. EUMC 2020–12-042). The IRB of Ewha Womans University Mokdong Hospital waived the requirement for informed consent because of the retrospective nature of this national cohort and there was no risk of the exposure of personal information of the participants. All clinical investigations were conducted in accordance with the 2013 Declaration of Helsinki guidelines.
: Not applicable.
: All the authors declared no competing interests analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and the decision to submit the manuscript for publication