van der Voorn, Bibian
Camfferman, R.
Seidell, J. C.
Halberstadt, J.
Funding for this research was provided by:
the Dutch Ministry of Health, Welfare and Sport (324043, 324043, 324043)
Article History
Received: 12 August 2022
Accepted: 26 March 2023
First Online: 11 April 2023
Declarations
:
: Written informed consent was obtained from all participants and also from the parents/legal guardians of the children. All methods were performed in accordance with the relevant guidelines and regulations. Ethical approval was given by the medical ethics committee of VU University Medical Center, Amsterdam for the first two studies, HELIOS and LEFF. For the additional data collection full ethical approval was waived by the same medical ethics committee, as data were collected and used for clinical care purposes.
: Not applicable.
: The authors declare no conflict of interest.
: Not applicable.