Robert and Suzanne Tomsich Heart and Vascular Institute, Cleveland Clinic Foundation, Weston, Florida, USA
Andrew J. Einstein, MD, PhD
Seymour, Paul and Gloria Milstein Division of Cardiology, Department of Medicine, and Department of Radiology, Columbia University Irving Medical Center/NewYork-Presbyterian Hospital, New York, New York, USA; Address for correspondence: Dr Andrew J. Einstein, Columbia University Irving Medical Center, 622 West 168th Street PH 10-203, New York, New York 10032, USA.
