Zeinstra, L. T. Lysbert https://orcid.org/0000-0002-8151-3419
Post, W. J. Wendy
Knot-Dickscheit, J. Jana
Huyghen, A. M. N. Anne-Marie
Akeredolu, A. Abigail
Wanders, F. Femy
Harder, A. T. Annemiek
Funding for this research was provided by:
Stichting tot Steun Vereniging tot Christelijke Verzorging van Geestes- en Zenuwzieken (263)
Article History
Accepted: 21 October 2025
First Online: 7 April 2026
Declarations
:
: This study is part of a larger, comprehensive evaluation of the effectiveness of the KINGS treatment program, a longitudinal research project conducted by the same research team. This project was approved by the Ethics Review Board of the Erasmus University Rotterdam (20–064).
: Informed consent was obtained from parents and, from children over 12 years of age.
: Author 6 (FW) is employed by the organization that provides the KINGS program but is not involved in program delivery. FW contributed to the conception and design of the study and interpretation of the results, but was not involved in data collection, analysis, or writing. The remaining authors declare that they have no competing interests related to this manuscript.