Song, Chan Il
Kang, Byung Chul
Shin, Chol Ho
An, Yun Suk
Kim, Tae Su
Lim, Hyun Woo
Shim, Hyun Joon
Yoo, Myung Hoon
Ahn, Joong Ho
Article History
Received: 25 April 2021
Accepted: 20 August 2021
First Online: 31 August 2021
Declarations
:
: This retrospective study was approved for data collection and analysis by the Institutional Review Board of Severance Hospital, and informed consent was waived (IRB No. 3-2019-0067). All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: Not applicable.