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Article History

Received: 30 January 2025

Accepted: 17 June 2025

First Online: 27 June 2025

Declarations

:

: This study was carried out in accordance with DIN EN ISO 14155:2021-05 and the Declaration of Helsinki in its latest version. The study was approved by the ethics committee of the Medical Faculty of the University Heidelberg, Germany as leading ethics committee on July 7, 2022. The study was prospectively registered in the German Registry of Clinical Studies (DRKS00030086).

: All parents/legal guardians gave written informed consent. The children gave at least oral assent and were additionally offered the opportunity to add their names on the informed consent form.

: Not applicable.

: MD received consulting income and research support from Medice GmbH, Medigital GmbH, brainjo GmbH, and eyelevel GmbH. He received income as head, supervisor, and lecturer of the Centre of Child and Adolescent Cognitive Behaviour Therapy at the University Hospital Cologne and as consultant for Child Behaviour Therapy at the National Association of Statutory Health Insurance Physicians (Kassenärztliche Bundesvereinigung). He also received royalties from treatment manuals, books and psychological tests published by Beltz, Elsevier, Enke, Guilford, Hogrefe, Huber, Kohlhammer, Schattauer, Springer, Wiley. AGD received consulting income and research support from Medice GmbH, Medigital GmbH, brainjo GmbH, and eyelevel GmbH. She received income as head, supervisor, and lecturer of the Centre of Child and Adolescent Cognitive Behaviour Therapy at the University Hospital Cologne. She also received royalties from treatment manuals, books and psychological tests published by Hogrefe, Huber, Kohlhammer, Springer. AH has received compensation for serving as consultant or speaker for Shire–Takeda and Medice. FH has received compensation for serving as speaker for Medice. LS has received compensation for serving as speaker for Medice. MH received consulting income and research support from Medigital GmbH and eyelevel GmbH. He received income as scientist and lecturer of Institute of Medical Statistics and Computational Biology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany and of the University Medical Center Göttingen, Department of Medical Statistics, Göttingen, Germany.HA, DV and MK are employees of Medigital GmbH. MR is an employee of MEDICE Arzneimittel Pütter GmbH & Co. KG (parent company of Medigital GmbH). TB served in an advisory or consultancy role for AGB pharma, eyelevel GmbH, Infectopharm, Medice, Neurim Pharmaceuticals, Oberberg GmbH and Takeda. He received conference support or speaker’s fee by Janssen-Cilag, Medice and Takeda. He received royalties from Hogrefe, Kohlhammer, CIP Medien, Oxford University Press.