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Article History

Received: 15 February 2022

Accepted: 28 April 2023

First Online: 8 June 2023

Declarations

:

: All methods were performed in accordance with the relevant guidelines and regulations. Participants provided written informed consent at the initial pre-assignment information and evaluation session. The study was approved by the principal ethics review board (Comité d’éthique de la recherche du Centre intégré universitaire de santé et de services sociaux de l’Estrie – Centre hospitalier universitaire de Sherbrooke [Research Ethics Board of the Eastern Townships Health and Social Services Integrated University Center – University Hospital Center of Sherbrooke], #MP-22-2016-570) and the ethics review boards of the two other participating institutions (Comité d’éthique de la recherche de l’lnstitut Universitaire en santé mentale de Québec [Research Ethics Board of the Mental Health University Institute of Quebec], #2017–166; Comité scientifique et d’éthique de la recherche – CISSS de Laval [Research Scientific and Ethics Board – Health and Social Services Integrated Center of Laval], #2016–2017 / C54).

: Not applicable.

: Peter J. Norton is the developer of the tCBT protocol used for this study and receives royalties from Guilford Press for sales of <i>Group Cognitive Therapy of Anxiety: A Transdiagnostic Treatment Manual</i> []. The authors declare that they have no other conflicting interests.