Additional file 1: of Study Protocol: The Norfolk Diabetes Prevention Study [NDPS]: a 46 month multi - centre, randomised, controlled parallel group trial of a lifestyle intervention [with or without additional support from lay lifestyle mentors with Type 2 diabetes] to prevent transition to Type 2 diabetes in high risk groups with non - diabetic hyperglycaemia, or impaired fasting glucose PascaleMelanie MurrayNikki BachmannMax BartonGarry ClarkAllan HoweAmanda GreavesColin SampsonMike 2017 Description of intervention. (DOCX 252 kb)