Behaviour change intervention (education and text) to prevent dental caries in secondary school pupils: BRIGHT RCT, process and economic evaluation oleh Zoe Marshman, Hannah Ainsworth, Caroline Fairhurst, Katie Whiteside, Debbie Sykes, Anju Keetharuth, Sarab El Yousfi, Emma Turner, Peter F Day, Ivor G Chestnutt, Simon Dixon, Ian Kellar, Fiona Gilchrist, Mark Robertson, Sue Pavitt, Catherine Hewitt, Donna Dey, David Torgerson, Lesley Pollard, Emma Manser, Nassar Seifo, Mariana Araujo, Waraf Al-Yaseen, Claire Jones, Kate Hicks, Kathryn Rowles, Nicola Innes