Fig. 3From: Evaluating the effectiveness and cost-effectiveness of the Smoking Treatment Optimisation in Pharmacies (STOP) intervention: protocol for a cluster randomised controlled trialIllustration of the organisational structure of community pharmacies in England [24]. Proprietor (owner): if owns five or less community pharmacies, pharmacy is referred to as independent; if owns more than five community pharmacies, pharmacy is referred to as chainBack to article page