Affiliation: | 1. Division of Cardiology, Queen's University, , Kingston, ON, Canada;2. Instituto Cardiovascular de Buenos Aires, , Buenos Aires, Argentina;3. Division of Cardiology, Centro de Arritmias Cardíacas de la Ciudad Autónoma de Buenos Aires, Ramos Mejía Hospital, , Buenos Aires, Argentina;4. Hospital de la Santa Creu i Sant Pau, Cardiovascular Research Center, CSIC‐ICCC, , Barcelona, Spain |