OPTIMA (Optimal Personalised Treatment of early breast cancer using Multi-parameter Analysis): A prospective trial to validate the predictive utility and cost-effectiveness of gene expression test-directed chemotherapy decisions. Issue 5 (May 2016) - Francis, Adele; Stein, Robert C.; Marshall, Andrea; Rea, Daniel W.; Cameron, David A.; Macpherson, Iain R.; Earl, Helena M.; Poole, Christopher J.; Hall, Peter S.; Bartlett, John M.S.; Rooshenas, Leila; Morgan, Adrienne; et al.