Additional file 1 of Stakeholders’ perceptions and experiences of the National Health Service diabetes prevention programme in England: qualitative study with service users, intervention providers and deliverers, commissioners and referrers RodriguesAngela M. HasteAnna PennLinda BellRuth SummerbellCarolyn WhiteMartin AdamsonAshley J. SniehottaFalko F. 2020 Additional file 1. Summary of the NHS DPP demonstrator site interventions.