1 Cardiac Amyloidosis Program, Seymour, Paul, and Gloria Milstein Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, and NewYork-Presbyterian Hospital, New York.
2 Section of Cardiovascular Medicine, Yale School of Medicine, New Haven, Connecticut.
3 Section of Cardiovascular Medicine, Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston Medical Center, Boston, Massachusetts.
4 Amyloidosis Center, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts.