Balog, Vera
Jermendy, Agnes http://orcid.org/0000-0002-2211-7272
Belteki, Gusztav http://orcid.org/0000-0002-2974-2011
Article History
Received: 10 October 2022
Revised: 25 April 2023
Accepted: 28 April 2023
First Online: 8 May 2023
Competing interests
: GB is a consultant to Vyaire Medical (Mettawa, IL, US) and Dräger Medical (Lübeck, Germany) and received payment for lectures and expert advice. Companies had no role in this study, preparation or approval of this manuscript and have not provided payment for this work. VB and AJ declare no conflict of interest.
: The study was approved by the Bromley (London) Research Ethics Committee of the Health Research Authority of the United Kingdom (reference: 18/LO/2182). Informed consent was gained from parents. All procedures were performed in accordance with the ethical standards of the amended Helsinki Declaration (1983).