de Jager, Pauline http://orcid.org/0000-0002-2891-7369
Burgerhof, Johannes G. M.
Koopman, Alette A.
Markhorst, Dick G.
Kneyber, Martin C. J.
Article History
Received: 27 May 2020
Accepted: 7 November 2020
First Online: 18 November 2020
Ethical approval and consent to participate
: Children were enrolled after written informed consent from either parents or legal caretakers in line with the Helsinki declaration. The Institutional Review Board of the University Medical Center Groningen approved the study.
: Not applicable.
: The authors declare that they have no competing interests.