Add-on exercise interventions for smoking cessation in people with mental illness: a systematic review and meta-analysis. - Schöttl, Stefanie E.; Niedermeier, Martin; Kopp-Wilfling, Prisca; Frühauf, Anika; Bichler, Carina S.; Edlinger, Monika; Holzner, Bernhard; Kopp, Martin (BMC Sports Science, Medicine & Rehabilitation, 2022)