From the Cardiology Section, Wake Forest School of Medicine, Winston-Salem, NC.
Received for publication June 20, 2011; accepted June 22, 2011.
Reprints: Gretchen L. Wells, MD, PhD, Cardiology Section, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157-1045 (e-mail: firstname.lastname@example.org).
The author declares no conflict of interest.
Dr Wells is employed by Wake Forest University Health Sciences.