Chung, Mi Lim
Sung, Heungsup
Jung, Euiseok
Lee, Byong Sop
Kim, Ki Soo
Kim, Ellen Ai-Rhan
Article History
Received: 26 December 2022
Accepted: 27 April 2023
First Online: 18 May 2023
Declarations
:
: Study approval statement: This randomized controlled prospective study was carried out at the neonatal intensive care units (NICUs) of Asan Medical Center (Seoul, South Korea) and Haeundae Paik Hospital (Busan, South Korea) after obtaining approval by the respective institutional review boards (Asan Medical Center, #2015-0367; Haeundae Paik Hospital, #129792-2015-039). All subjects have given their written informed consent.
: Written informed consent from participants (or their parent/legal guardian/next of kin) was obtained to participate in the study. All methods were carried out in accordance with relevant guidelines and regulations
: Not applicable.
: The authors declare that they have no competing interests.