Funding for this research was provided by:
Simons Foundation (SFARI-307280)
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (VICI Grant 016.VICI.170.200)
Received: 5 July 2019
Accepted: 9 October 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: The study has been approved by the Medical Ethical Committee of the Erasmus Medical Center Rotterdam. Written informed consent was obtained from all parents.
: Written informed consent was obtained from all parents.
: The authors declare that they have no competing interests.