1 Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
2 National Heart Centre Singapore and Duke-National University of Singapore, Singapore.
3 Montreal Heart Institute/Université de Montréal, Montreal, Quebec, Canada.
4 Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA; Alma Mater Studiorum University of Bologna, Bologna, Italy.
5 Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA; Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Vaud, Switzerland.
6 AstraZeneca, Gothenburg, Sweden.
7 Erasmus Medical Center, Rotterdam, the Netherlands.
8 Duke University Medical Center, Durham, North Carolina, USA.
9 Yale School of Medicine, New Haven, Connecticut, USA.
10 British Heart Foundation Cardiovascular Research Centre, University of Glasgow, Glasgow, Scotland, United Kingdom.
11 Saint Luke's Mid America Heart Institute, University of Missouri-Kansas City, Kansas City, Missouri, USA.
12 University of Cordoba, Cordoba, Argentina.
13 Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.
14 Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA. Electronic address: ssolomon@rics.bwh.harvard.edu.
15 Minneapolis VA Center for Care Delivery and Outcomes Research, University of Minnesota, Minneapolis, Minnesota, USA.