ANTONI BAYÉS DE LUNA Emeritus Professor of Cardiology, Universitat Autònoma de Barcelona, Barcelona; Honorary Director, Cardiology Service, Hospital de la Santa Creu i Sant Pau, Barcelona; Senior Consultant, Hospital Universitari Quirón, Barcelona, Spain

ADRIAN BARANCHUK MD FACC FRCPC FCCS Professor of Medicine, Queen's University, Kingston, Ontario, Canada; Editor-in-Chief, Journal of Electrocardiology; President, International Society of Electrocardiology Less