Funding for this research was provided by:
Stichting Steun Emma Kinderziekenhuis
Accepted: 23 April 2021
First Online: 15 May 2021
Compliance with ethical standards
: All authors declare that they have no conflict of interest.
: The Medical Ethical Committee of the Amsterdam UMC (location AMC and VUMC) approved the protocol and judged that the Dutch Medical Research Involving Human Subjects Act does not apply to this study. All procedures performed were in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants and/or legal guardians included in this study.