Van Heel, Martijn https://orcid.org/0000-0001-7741-5093
Bijttebier, Patricia
Colpin, Hilde
Goossens, Luc
Van Den Noortgate, Wim
Verschueren, Karine
Van Leeuwen, Karla
Article History
First Online: 22 June 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Permission for the study was obtained from the institutional review board of the KU Leuven (ML7972). Written parental consent was obtained for the present study. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.