Nam, Karam
Jang, Eun Jin
Jo, Jun Woo
Choi, Jae Woong
Lee, Minkyoo
Ryu, Ho Geol http://orcid.org/0000-0001-8952-6049
Article History
Received: 11 April 2020
Accepted: 22 June 2020
First Online: 29 June 2020
Ethics approval and consent to participate
: The study protocol was determined exempt from review by the Institutional Review Board of Seoul National University Hospital due to the retrospective study design and the de-identified nature of the database.
: Not applicable.
: The authors declare that they have no competing interests.