Collins, K., Reed, M., Lifford, K., Burton, M., Edwards, A., Ring, A., Brain, K., Harder, H., Robinson, T., Cheung, K.-L., Morgan, J., Audisio, R., Ward, S., Richards, P., Martin, C., Chater, T., Pemberton, K., Nettleship, A., Murray, C., Walters, S., …Wyld, L. (2017). Bridging the age gap in breast cancer: evaluation of decision support interventions for older women with operable breast cancer: protocol for a cluster randomised controlled trial. BMJ Open, 7(7), Article e015133. https://doi.org/10.1136/bmjopen-2016-015133