1 Division of Cardiology, Department of Medicine, University of Colorado School of Medicine, Asnchutz Medical Campus, 12631 East 17th Avenue, Academic Office One, #7019, Mailstop B130, Aurora, CO 80045, USA. Electronic address: larry.allen@cuanschutz.edu.
2 Division of Cardiology, Department of Medicine, University of California Los Angeles, 100 Medical Plaza Driveway, Suite 630, Los Angeles, CA 90095, USA. Electronic address: GFonarow@mednet.ucla.edu.