1. World Health Organization. WHO report on the global tobacco epidemic (World Health Organization 2015).
2. Cahill, K., Stevens, S., Perera, R. & Lancaster, T. Pharmacological interventions for smoking cessation: an overview and network meta-analysis. Cochrane Database Syst. Rev. 5, CD009329 (2013).
3. Stead, L. F., Koilpillai, P., Fanshawe, T. R. & Lancaster, T. Combined pharmacotherapy and behavioural interventions for smoking cessation. Cochrane Database Syst. Rev. 3, CD008286 (2016).
4. Piasecki, T. M. Relapse to smoking. Clin. Psychol. Rev. 26, 196–215 (2006).
5. Shafi, M. M., Westover, M. B., Fox, M. D. & Pascual-Leone, A. Exploration and modulation of brain network interactions with noninvasive brain stimulation in combination with neuroimaging. Eur. J. Neurosci. 35, 805–825 (2012).