Noh, Jihyun
Kim, Chae Young
Jung, Euiseok http://orcid.org/0000-0003-0693-5627
Lee, Joo Hoon
Park, Young-Seo
Lee, Byong Sop
Kim, Ellen Ai-Rhan
Kim, Ki-Soo
Article History
Received: 21 October 2019
Accepted: 7 October 2020
First Online: 19 October 2020
Ethics approval and consent to participate
: The Institutional Review Board (IRB) approval for the study was received. Informed consent was waived by the board. Retrospective data collection was approved by the IRB of Asan Medical Center (IRB No. 2019–1411).
: Not applicable.
: The authors declare that they have no competing interests.