1. From the Saint Luke's Mid America Heart Institute, Kansas City, MO (K.R.V., E.A.M., H.L., D.J.C.); University of Missouri, Kansas City, MO (E.A.M., D.J.C.); Oregon Health and Science University, Portland, OR (W.M.C.); Heritage Valley Health System, Heart and Vascular Center, Beaver, PA (R.J.B.); Vascular Specialty Center, Baton Rouge, LA (A.D.S.); Ochsner Health System, New Orleans, LA (W.C.S.); the University of Southern California, Los Angeles, CA (F.A.W.); Columbia University, New York, NY (W.A.G...