1. Council of Epidemiology and Cardiovascular Prevention, Argentine Society of Cardiology, Azcuenaga 980, Buenos Aires C1115AAD, Argentina
2. Cardiology Department, Hospital Italiano de Buenos Aires, Tte. Gral. Juan Domingo Perón 4190, C1199ABB Buenos Aires, Argentina
3. Cardiology Department, Sanatorio Finochietto, Av. Córdoba 2678, Buenos Aires C1187AAN, Argentina
4. Cardiology Department, Hospital Militar Campo de Mayo, Tte. Gral. Ricchieri S/N, Buenos Aires B1661GXB, Argentina
5. Cardiology Department, Instituto Cardiovascular San Isidro-Sanatorio Las Lomas, Von Wernicke 3031, San Isidro B1642GKA, Argentina