1 Division of Cardiovascular Medicine, Department of Medicine, Providence VA Medical Center and Alpert Medical School of Brown University, Providence, RI, USA.
2 Diabetes Trials Unit, University of Oxford, Oxford, UK.
3 Division of Cardiovascular Medicine, Department of Internal Medicine, The Ohio State University Wexner Medical Center, Columbus, OH, USA.
4 Ahmanson-UCLA Cardiomyopathy Center, Ronald Reagan UCLA Medical Center, Los Angeles, CA, USA.
5 Division of Endocrinology, Diabetes & Metabolism, Department of Medicine, Johns Hopkins University, Baltimore, MD, USA.