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Authors
Kim, Seung Hyun https://orcid.org/0000-0002-5740-5688
Oh, Yoon Ju https://orcid.org/0009-0005-7775-338X
Son, Joonhyuk https://orcid.org/0000-0002-2102-5413
Jung, Donggoo https://orcid.org/0000-0002-0638-8793
Kim, Daehyun https://orcid.org/0009-0005-3299-1181
Ryu, Soo Rack
Na, Jae Yoon https://orcid.org/0000-0002-0465-7902
Hwang, Jae Kyoon https://orcid.org/0000-0003-0312-567X
Kim, Tae Hyun https://orcid.org/0000-0002-7995-3984
Park, Hyun-Kyung https://orcid.org/0000-0001-5956-9208
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Funding
Funding for this research was provided by:
National Research Foundation of Korea (RS-2023-00219983, RS-2023-00252422)
Hanyang University (HY-202300000002994)
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Article History
Received: 30 November 2023
Revised: 20 February 2024
Accepted: 2 March 2024
First Online: 30 March 2024
Declarations
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: The KNN registry was approved by the institutional review board of each participating hospital, and informed consent was obtained from the parents of each infant upon enrollment in the NICUs participating in the KNN. All the participants signed an informed consent form. This study was performed in line with the principles of the Declaration of Helsinki. This study was approved by the Institutional Review Board of the Hanyang University Medical Center (IRB No. 2022–02-012).
: The authors declare no competing interests.
