Richards, D. A., Bazeley, P., Borglin, G., Craig, P., Emsley, R., Frost, J., …O'Cathain, A. (2019). Integrating quantitative and qualitative data and findings when undertaking randomised controlled trials. BMJ Open, 9(11), 1-5. https://doi.org/10.1136/bmjopen-2019-032081