1 Division of Cardiovascular Medicine, University of Utah Health and School of Medicine, Salt Lake City, Utah; Heart Failure and Transplant Unit, Onassis Cardiac Surgery Center, Athens, Greece.
2 Division of Cardiovascular Medicine, University of Utah Health and School of Medicine, Salt Lake City, Utah.
3 Division of Cardiovascular Medicine, University of Utah Health and School of Medicine, Salt Lake City, Utah; Third Department of Cardiology, School of Medicine, National Kapodestrian University of Athens, Athens, Greece. Electronic address: stavros.drakos@hsc.utah.edu.