John Day, MD, FACC, FHRS,

Editor-in-Chief

CHRISTIAN PERZANOWSKI, MD, FACC

Cape Fear Valley Medical Center, Fayetteville, NC

ASHLEY CHIN, MBChB, MPhil GIRISH M. NAIR, MBBS, FRCPC and JEFF S. HEALEY, MD, MSc, FHRS

Division of Cardiology, Electrophysiology and Pacing Service, McMaster University, Hamilton, Ontario, Canada

CHRISTOPHER RANDALL ELLIS, MD AND S. PATRICK WHALEN, MD

Cardiac Electrophysiology, Vanderbilt Heart and Vascular Institute, Nashville, TN

GEORGE F. VAN HARE, MD

Director, Pediatric Cardiology, St. Louis Children's Hospital, Washington University School of Medicine, St. Louis, MO

CHARLES I. BERUL, MD and JEFFREY P. MOAK, MD

Division of Cardiology, Children's National Medical Center, Washington, DC

DAN BLENDEA, MD, PhD ROBERT K. ALTMAN, MD and JAGMEET P. SINGH, MD, PhD

Cardiac Arrhythmia Service, Massachusetts General Hospital, Boston, MA

TAMAS BAUERNFEIND, MD DAMIR ERKAPIC, MD and STEFAN H. HOHNLOSER, MD, FACC, FESC, FHRS

J. W. Goethe University, Frankfurt, Germany

IMRAN NIAZI, MD, TANVIR BAJWA, MD, JASBIR SRA, MD and MASOOD AKHTAR, MD

Aurora Cardiovascular Services, Aurora St. Luke's Medical Center, Milwaukee, WI