Ward Thompson, C, Elizalde, A.; Cummins, S.; Leyland, A.H; Botha, W; Briggs, A; Tilley S.; Silveirinha de Oliveira, E.; Roe, J.; Aspinall, P.A.; Mitchell, R (in press); Enhancing health through access to nature: how effective are interventions in woodlands near deprived urban communities? A quasi-experimental study in Scotland, UK