Corresponding Author

George H. Crossley M.D., F.H.R.S, F.A.C.C.

Vanderbilt University Department of Cardiovascular Diseases, Nashville, TN, US and Vanderbilt Heart and Vascular Institute, Vanderbilt University Medical Center, Nashville, TN, US

Correspondence: George H. Crossley, MD, FHRS, FACC, Vanderbilt University Medical Center, 1215 21st Avenue North, Nashville, TN 37232-8802.

Email: george.crossley@vanderbilt.edu