1 Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut.
2 Department of Internal Medicine, Creighton University School of Medicine, Omaha, Nebraska.
3 Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut; Deparmtent of Cardiology, West Haven VA Medical Center, West Haven, Connecticut. Electronic address: elissa.altin@yale.edu.