Verhelst, E.
Clinck, I.
Deboutte, I.
Vanderveken, O.
Verhulst, S.
Boudewyns, A. http://orcid.org/0000-0002-6918-0674
Article History
Received: 3 September 2018
Revised: 9 April 2019
Accepted: 23 April 2019
First Online: 7 May 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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.
: Informed consent was obtained from the parents or legal caregivers for all individual participants included in the study.