Ronald G Schwartz1, Saurabh Malhotra2. 1. Division of Cardiology, Department of Medicine and Division of Nuclear Medicine, Department of Imaging Sciences, University of Rochester Medical Center, 601 Elmwood Avenue, AC-G, Rochester, NY, 14642-0001, USA. ronald_schwartz@urmc.rochester.edu. 2. Division of Cardiovascular Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA.