Scoping of Policy Impacts for Regulating E-cigarettes (SPIRE): findings from a data and decision analytic model mapping project. - Squires H; Gillespie D; Kock L; Hock E; Hiscock R; Bogdanovica I; Lewis C; Robson D; Filippidis F; Langley T; Pulsford E; Clowes M; et al. (NIHR open research, 2025)