Michael V Hannon1, Ronald G Schwartz2,3. 1. Division of Cardiology, Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA. 2. Division of Cardiology, Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA. ronald_schwartz@urmc.rochester.edu. 3. Division of Nuclear Medicine, Department of Imaging Sciences, University of Rochester Medical Center, Rochester, NY, USA. ronald_schwartz@urmc.rochester.edu.