PRomotion Of Physical activity through structured Education with differing Levels of ongoing Support for people at high risk of type 2 diabetes (PROPELS): study protocol for a randomized controlled trial

Tom Yates, Simon Griffin, Danielle H Bodicoat, Gwen Brierly, Helen Dallosso, Melanie J Davies, Helen Eborall, Charlotte Edwardson, Mike Gillett, Laura Gray, Wendy Hardeman, Sian Hill, Katie Morton, Stephen Sutton, Jacqui Troughton, Kamlesh Khunti