Effects of the Norfolk diabetes prevention lifestyle intervention (NDPS) on glycaemic control in screen-detected type 2 diabetes: a randomised controlled trial oleh Michael Sampson, Allan Clark, Max Bachmann, Nikki Garner, Lisa Irvine, Amanda Howe, Colin Greaves, Sara Auckland, Jane Smith, Jeremy Turner, Dave Rea, Gerry Rayman, Ketan Dhatariya, W. Garry John, Garry Barton, Rebecca Usher, Clare Ferns, Melanie Pascale, on behalf of the NDPS group