Afshin Farzaneh-Far1,2, Joyce Wong3. 1. Division of Cardiology, Department of Medicine, University of Illinois at Chicago, 840 South Wood St. M/C 715, Suite 920 S, Chicago, IL 60612, USA. 2. Division of Cardiology, Department of Medicine, Duke University, Durham, NC, USA. 3. Department of Cardiology, Harefield Hospital, Royal Brompton and Harefield NHS Foundation Trust, Harefield, UK.