1. From the German Breast Group, Neu-Isenburg, Germany (G.M.); Frontier Science (Scotland), Kincraig, United Kingdom (M. Procter); the Breast European Adjuvant Study Team (BrEAST) Data Center (E.A., N.R.), the Breast International Group (D.Z., A.A.), and Institut Jules Bordet, Université Libre de Bruxelles (M. Piccart) — all in Brussels; Roche Pharma (M.B., E.C., A.K.) and the Department of Cardiology, Cardio-Oncology, Bern University Hospital (T.S.) — both in Bern, Switzerland; the Department of Pathology,...