1 Division of Cardiology, Kingston Health Sciences Centre, Kingston, ON K7L 2V7, Canada; Inter-American Society of Cardiology, Kingston, ON, Canada. Electronic address: barancha@kgh.kari.net.
2 Division of Cardiology, Güemes Hospital, Buenos Aires, Argentina; Inter-American Society of Cardiology, Buenos Aires, Argentina.
3 Cardiovascular Services and Technology of Guatemala, Cardiosolutions, Guatemala City, Guatemala; Inter-American Society of Cardiology, Guatemala City, Guatemala.
4 Inter-American Society of Cardiology, Buenos Aires, Argentina; Faculty of Medicine, University of Buenos Aires, Buenos Aires, Argentina.