Blaszcyk, Wiebke https://orcid.org/0000-0001-5593-3340
Büttner, Melanie https://orcid.org/0000-0003-2350-0318
Betz, Linda T. https://orcid.org/0000-0003-1741-4069
Riepenhausen, Antje https://orcid.org/0000-0001-8749-5349
Jacob, Gitta A.
Klein, Jan Philipp https://orcid.org/0000-0001-9882-2261
Schröder, Johanna https://orcid.org/0000-0002-0751-4720
Funding for this research was provided by:
GAIA, Hamburg, Germany
Article History
Received: 4 August 2025
Accepted: 15 January 2026
First Online: 3 February 2026
Competing interests
: W.B., A.R., L.T.B., and G.A.J. are employed by GAIA, the developer and manufacturer of the intervention described in the study. J.P.K. received funding for clinical trials (German Federal Ministry of Health, Servier), payments for presentations on psychological internet interventions (GAIA, Oberberg, Servier, Stillachhaus), consulting fees from developers and distributors of psychological internet interventions (all about me, Boehringer, Ethypharm, GAIA, medac, sympatient) payments for workshops and books (Beltz, Elsevier, Hogrefe and Springer) on psychiatry, psychosomatics and psychotherapy. He is past president of the CBASP network (now DsG-CBASP) and serves as vice chairman of the chapters “Digital Psychiatry” and “Psychotherapy” of the German Psychiatric Association (DGPPN). J.S. and M.B. have no conflicts of interest to declare.