Choi, Jieun http://orcid.org/0000-0001-6845-8745
Kim, Soo Yeon
Kim, Hunmin
Lim, Byung Chan
Hwang, Hee
Chae, Jong Hee
Kim, Ki Joong
Oh, Sohee
Kim, Eun Young
Shin, Jeon-Soo http://orcid.org/0000-0002-8294-3234
Funding for this research was provided by:
Seoul National University Hospital (03-2015-0120)
National Research Foundation of Korea (2016R1A2B4009438)
Seoul National University Boramae Hospital (03-2013-8 and 01-2014-11)
National Research Foundation of Korea (2017R1A2B3006704 and 2019R1A6A1A03032869)
Article History
Received: 15 July 2019
Accepted: 27 February 2020
First Online: 9 March 2020
Ethics approval and consent to participate
: All relevant study documentation was reviewed and approved by the responsible Institutional Review Board at the Seoul National University Boramae Medical Center (20080918/06–2008-74/76). Informed written consent was obtained from the parent of each child, and verbal assent was obtained from each child or adolescent.
: Not applicable.
: The authors declare no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.