Bartsch, Dianna R. https://orcid.org/0000-0002-3459-341X
Price, Justine C. https://orcid.org/0009-0008-1790-4563
Tilley, Luke
Dahlenburg, Sophie C. https://orcid.org/0000-0001-6837-1455
Cousins, Simon
Usman, Mohammed
Magann, Sierra https://orcid.org/0009-0002-3365-5794
Everitt, Cathy McLeod https://orcid.org/0009-0001-6177-681X
Article History
Received: 8 May 2025
Accepted: 28 January 2026
First Online: 6 February 2026
Declarations
:
: Approved by the Women and Children’s Health Network Human Research Ethics Committee (2020_HREC00392). All participants provided electronic or written informed consent. All participants 15 years or younger provided their own consent in addition to that given by their legal guardian. This research was conducted ethically in accordance with the World Medical Association Declaration of Helsinki.
: Not applicable.
: The project was undertaken as part of D.B., J.P., S.M., and C.M.E’s paid employment at the Borderline Personality Disorder Collaborative (BPD Co), the organisation that implemented the intervention. S.C. and M.U. completed the project as part of their paid employment at the Women’s and Children’s Health Network where the intervention was delivered. L.T. and S.D. have no conflicts of interest to declare.