Lee, Byoung Kook
Shin, Seung Han http://orcid.org/0000-0002-7008-4073
Jung, Young Hwa
Kim, Ee-Kyung
Kim, Han-Suk
Funding for this research was provided by:
Seoul National University Hospital Research Fund (04-2015-0430)
Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2017R1D1A1B03036383)
Article History
Received: 7 May 2019
Accepted: 21 August 2019
First Online: 28 August 2019
Ethics approval and consent to participate
: Ethical approval to conduct this study was obtained from the Institutional Review Board of Seoul National University Hospital. Written consent from the caregivers of the neonates could not be obtained due to the retrospective nature of the study. However, all the patient-related information was anonymized.
: Not applicable.
: The authors declare that they have no competing interests.