Jung, Whanik
Kim, Dong Ook
Kim, Jangwoo
Kim, Sae Hoon
Article History
Received: 13 June 2019
Accepted: 28 February 2020
First Online: 30 March 2020
Compliance with ethical standards
:
: None of the authors have any conflicts of interest in relation to this work.
: No funding in any form have been received from a commercial party related directly or indirectly to the subject of this article.
: All patients provided informed consent for the use of their data for research and the review board of Seoul National University Hospital affiliated to Seoul National University College of Medicine approved this retrospective study (IRB no.1901-113-100).