1 Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, Minnesota; Division of Cardiology, Department of Medicine, UT Southwestern Medical Center, Dallas, Texas.
2 Division of Cardiology, Department of Medicine, UT Southwestern Medical Center, Dallas, Texas.
3 Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, Minnesota.
4 Division of Cardiology, Department of Medicine, University of Washington, Seattle, Washington.
5 Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts.
6 Division of Cardiology, Department of Medicine, Emory University Hospital Midtown, Atlanta, Georgia.
7 Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, Minnesota. Electronic address: [email protected].