1. Coronary Care Unit, Centro de Educación Médica e Investigaciones Clínicas ‘Norberto Quirno’, Ciudad Autónoma de Buenos Aires, Argentina.
2. Department of Cardiology, Hospital Italiano de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina.
3. Department of Clinical Pharmacology and Epidemiology, Consorzio Mario Negri Sud, S. Maria Imbaro, Italy.
4. Unit of Biostatistics, CSS Scientific Institute, S. Giovanni Rotondo, Italy.
5. InterAmerican Heart Foundation, Dallas, USA.
6. Assisted Human Reproduction Canada, Ottawa, Canada.