Cha, Jong Ho
Choi, Yong-Ho
Lee, Jong-Min
Lee, Joo Young
Park, Hyun-Kyung
Kim, Jinsup
Kim, Il-Kewon
Lee, Hyun Ju
Article History
Received: 13 August 2019
Accepted: 2 March 2020
First Online: 10 April 2020
Ethics approval and consent to participate
: The study was approved by the Hanyang University Hospital Institutional Review Board. Informed consent was obtained from the patients’ parents after full explanation of the purpose and nature of all procedures used.
: Not applicable.
: The authors declare that they have no competing interests.