Lee, Seunghyun
Choi, Young Hun
Cho, Yeon Jin
Lee, Seul Bi
Cheon, Jung-Eun
Kim, Woo Sun
Ko, Jae Sung
Koh, Jaemoon
Kang, Gyeong Hoon
Article History
Received: 17 December 2020
Accepted: 1 April 2021
First Online: 12 April 2021
Declarations
:
: Following the Declaration of Helsinki, the study was approved as a retrospective human study by the Institutional Review Board of Seoul National University Hospital (No. 2005–211-1127). The informed consent of patient, parents, or guardians was waived.
: Not applicable.
: The authors have no competing interest to declare.