Intervention working group (innovation, recipients, facilitation)
A key finding from the pilot evaluation was the importance of all four intervention components working synergistically. The IWG agreed these components were core and necessary for the trial phase, but all required refinement. A table with each of the core components of the intervention broken down into elements, including the extent of variation permissible for each element (fixed, moderate, extensive), was developed by the study team, and reviewed by the IWG (as per Additional file 