Bae, Suk Won
Lee, Min-Yong
Park, Shin Who
Lee, Gangpyo
Leigh, Ja-Ho
Article History
Received: 22 April 2021
Accepted: 19 October 2021
First Online: 5 November 2021
Declarations
:
: The data used in this study were provided by public institutions that collect data at the national level and were used with the requisite permissions. All data were provided after anonymization and retrospectively analyzed. The data used in this study were secondary data provided by public institutions, the exemption of informed consent needs has been approved. This study was exempted from approval by the institutional review board of Seoul National University Hospital (IRB No. 2104–121-1212). This study was performed in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare no competing interests.