Vandenbroeck, Margo https://orcid.org/0000-0002-6395-5774
Dockx, Jonas https://orcid.org/0000-0002-9082-4665
Janssen, Rianne https://orcid.org/0000-0001-5472-5494
Funding for this research was provided by:
Flemish Ministry of Education and Training
Article History
Received: 6 December 2022
Accepted: 17 January 2024
First Online: 22 February 2024
Declarations
:
: The authors declare no competing interests.
: The study was approved by the Social and Societal Ethics Committee of the KU Leuven (G-2015-12-421). Sampled schools received an information letter and actively decided to participate (opt-in). Subsequently, parents were informed about the study and could refuse to allow their child to participate using an opt-out procedure.