Lee, Ji-Hyun
Choi, Seungeun
Lee, Minkyoo
Jang, Young-Eun
Kim, Eun-Hee
Kim, Jin-Tae
Kim, Hee-Soo http://orcid.org/0000-0002-2661-7944
Funding for this research was provided by:
Seoul National University (grant 800-20140532)
Article History
Received: 20 August 2020
Accepted: 20 October 2020
First Online: 18 November 2020
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Board of the Seoul National University Hospital (approval number: H1703–110-840; date of approval: May 8, 2017) and was registered atExternalRef removed(number: NCT03132701; principal investigator: Hee-Soo Kim; date of registration: April 9, 2017). The anaesthesiologists involved in the study obtained written informed consent from the parents or their guardians after explaining the study protocol to them.
: Not applicable.
: The authors declare that they have no competing interests.