1State University of New York, Health Sciences Center, Brooklyn, New York, USA;

2Mayo Clinic, Rochester, Minnesota, USA;

3Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA;

4University of Virginia, Charlottesville, Virginia, USA;

5Weill Cornell Medicine, New York, New York, USA;

6University of Kentucky, Lexington, Kentucky, USA;

7University of California, San Diego, San Diego, California, USA;

8Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire, USA.

Correspondence: Santhi Swaroop Vege, MD, MACG. E-mail: [email protected].