Does telecare prolong community living in dementia? A study protocol for a pragmatic, randomised controlled trial. by Leroi, I, Woolham, J, Gathercole, R, Howard, R, Dunk, B, Fox, C, O'Brien, J, Bateman, A, Poland, F, Bentham, P, Burns, A, Davies, A, Forsyth, K, Gray, R, Knapp, M, Newman, S, McShane, R, Ritchie, C