1. Charlotte Fribbens, Ben O’Leary, Sarah Hrebien, Isaac Garcia-Murillas, Matthew Beaney, Mitch Dowsett, and Nicholas C. Turner, Institute of Cancer Research; Charlotte Fribbens, Ben O'Leary, Stephen R.D. Johnston, and Nicholas C. Turner, Royal Marsden Hospital; Lucy Kilburn and Judith M. Bliss, The Institute of Cancer Research Clinical Trials and Statistics Unit, London, UK; Massimo Cristofanilli, Thomas Jefferson University, Philadelphia, PA; Fabrice Andre, Institut Gustave Roussy, Villejuif, France;...