A cardiovascular disease policy model: part 2—preparing for economic evaluation and to assess health inequalities - Lawson, KD; Lewsey, JD; Ford, I; Fox, K; Ritchie, LD; Tunstall-Pedoe, H; Watt, GC; Woodward, M; Kent, S; Neilson, M; Briggs, AH (Open Heart, 2016)