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Article History

Received: 15 November 2017

Accepted: 28 November 2018

First Online: 17 December 2018

Ethics approval and consent to participate

: The UK National Research Ethics Committee, Yorkshire and the Humber-South Yorkshire, approved the study on 4 February 2014 (reference []/YH/0019). We adhered to ethical guidance from the Good Clinical Practice Guide and the 1996 version of the Declaration of Helsinki. Written informed consent was obtained from every participant. Participant information and consent forms were co-written by our service-user and carer representatives.

: Not applicable

: MC and YD report grants from NIHR HTA, during the conduct of the study, and are part of The Leicester Diabetes Centre, an organisation (employer) jointly hosted by an NHS Hospital Trust and the University of Leicester and who is holder (through the University of Leicester) of the copyright of the STEPWISE programme and of the DESMOND suite of programmes, training, and intervention fidelity framework which were used in this study. DSh is expert advisor to the NICE centre for guidelines; board member of the National Collaborating Centre for Mental Health (NCCMH); clinical advisor (paid consultancy basis) to National Clinical Audit of Psychosis (NCAP); views are personal and not those of NICE, NCCMH, or NCAP. JP received personal fees for the involvement in the study from NIHR Grant. RIGH received fees for lecturing, consultancy work, and attendance at conferences from the following: Boehringer Ingelheim, Eli Lilly, Janssen, Lundbeck, Novo Nordisk, Novartis, Otsuka, Sanofi, Sunovion, Takeda, and MSD.

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