1 Saint Luke's Mid America Heart Institute, 4401 Wornall Rd., Kansas City, MO, 64111, USA.
2 Cleveland Clinic Lerner College of Medicine, Fuad Jubran Endowed Chair in Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, 9500 Euclid Ave. J1-5, Cleveland, OH, 44195, USA. JABERW@ccf.org.