Funding for this research was provided by:
Ministry of Science, ICT and Future Planning (NRF- 2017R1C1B5076772)
Text and Data Mining valid from 2019-09-04
Received: 28 September 2018
Accepted: 19 August 2019
First Online: 4 September 2019
Ethics approval and consent to participate
: The parents of all patients provided written informed consent for inclusion in the study, which was approved by the Medical Sciences Ethics Committee of Kyung Hee University University (IRB number KHUH 2015–06-103).. A Written informed consent was obtained from the parents of the patient described in this study.
: Not applicable.
: The authors declare that they have no competing interests.