Cian P McCarthy1, Lee-Shing Chang2, Muthiah Vaduganathan3. 1. Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts. Electronic address: https://twitter.com/CianPMcCarthy. 2. Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Boston, Massachusetts. 3. Brigham and Women's Hospital Heart & Vascular Center and Harvard Medical School, Boston, Massachusetts. Electronic address: mvaduganathan@bwh.harvard.edu.