Broersen, Marieke http://orcid.org/0000-0001-5218-4866
Creemers, Daan H. M.
Frieswijk, Nynke
Vermulst, Ad A.
Kroon, Hans
Article History
Received: 20 November 2022
Accepted: 25 May 2023
First Online: 6 June 2023
Declarations
:
: Prof. Dr. Kroon is a board member of the Centre for Certification ACT and Flexible ACT (CCAF) and a member of the board of FACT Netherlands. The CCAF executes peer audits using model fidelity scales to ensure the quality of ACT and Flexible ACT. Dr. Frieswijk chairs the national platform Youth Flexible ACT and is a member of the board of FACT Netherlands. MSc. Broersen, Dr. Creemers and Dr. Vermulst receive a salary from GGZ Oost Brabant. All opinions presented in this manuscript belong to the authors alone. The authors declare that the research was conducted without any commercial or financial relationships that could be construed as a potential conflict of interest.
: The Trimbos Ethics Committee approved this study (201607_75-FACT2). The Trimbos Institute is the Netherlands Institute of Mental Health and Addiction, a non-profit research and knowledge center that reviews non-WMO (Medical Research Involving Human Subjects Act) research projects. This committee ruled that our protocol complies with all applicable regulations. This approval applies to all participating institutions. Medical ethical approval was not required, as concluded by the medical ethics committee CMO Region Arnhem-Nijmegen in the Netherlands (NL57443.091.16). Written informed consent from adolescents and parents or legal guardians was obtained. The results of the study are reported in accordance with the STROBE Statement.