Funding for this research was provided by:
Medical Research Council (MR/N015339/1)
Received: 24 September 2018
Accepted: 24 February 2019
First Online: 12 March 2019
: The authors have experience of intervention development. PH and LY have written about approaches to intervention development. PH, LY, LC and ED have developed or adapted interventions. AOC and KT have been co-applicants on studies where others have developed or adapted interventions.
: Not applicable because it is a review of research methods.
: Not applicable.
: Two authors of this article have produced approaches to intervention development included in this overview (PH and LY).
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