Feasibility of trial procedures for a randomised controlled trial of a community based group exercise intervention for falls prevention for visually impaired older people: the VIOLET study. - Adams N; Skelton DA; Howel D; Bailey C; Lampitt R; Fouweather T; Gray J; Coe D; Wilkinson J; Gawler S; de Jong LD; Waterman H; et al. (BMC geriatrics, 2018)