Funding for this research was provided by:
ministry of education (2021R1I1A1A01059868)
Ministry of Education (2021R1F1A1048113, 2020R1I1A1A01060447)
Article History
Received: 12 October 2021
Accepted: 8 April 2022
First Online: 17 April 2022
Declarations
:
: This study was approved by the Institutional Review Board of Seoul Hospital Ewha Woman’s University College of Medicine (Approval number: EUMC 2020-10-021). Due to the retrospective analysis based on the fully anonymized dataset, the requirement for informed consent was waived by the Institutional Review Board of the Seoul Hospital Ewha Woman’s University College of Medicine. All methods were performed in accordance with the Helsinki declaration.
: Not applicable.
: The authors declare that they have no competing interests.