Higgerson, J. ., Halliday, E. ., Ortiz-Nunez, A. ., Brown, R. ., & Barr, B. . (2018). Impact of free access to leisure facilities and community outreach on inequalities in physical activity: a quasi-experimental study. Journal of Epidemiology and Community Health. https://doi.org/10.1136/jech-2017-209882 (Original work published 2018)