David L. Hayes Consultant, Division of Cardiovascular Diseases, Professor of Medicine,
Mayo Clinic, Rochester, MN, USA

Samuel J. Asirvatham Consultant, Division of Cardiovascular Diseases, Professor of
Medicine and of Pediatrics, Mayo Clinic, Rochester, MN, USA

Paul A. Friedman Consultant, Division of Cardiovascular Diseases, Director, Implantable
Device Lab, Professor of Medicine, Mayo Clinic, Rochester, MN, USA