1. British Sanatorium, Rosario, Argentina
2. Mexico Institute of Cardiovascular Health, Mexico City, Mexico
3. Italian Hospital, La Plata, Argentina
4. General Hospital, Medellin, Colombia
5. Caldas University, Caldas, Colombia
6. Cardiovascular Section, Federal University of Goias, Goiania, Brazil
7. Services and Technology of Guatemala, Guatemala City, Guatemala
8. La Floresta Medical Institute, Caracas, Venezuela
9. Medical Unit of High Specialty Social Security Medical Institute, Mexico City, Mexico
10. Mexico Institute of Social Security, Mexico City, Mexico
11. Medicine Medical School, La Salle University, Mexico City, Mexico
12. Angeles Metropolitano Hospital, Cuauhtemoc, Mexico
13. Cardiology Hospital, National Medical Center XXI Century, Mexico Institute of Social Security, Mexico City, Mexico
14. Specialties Hospital “Puerta de Hierro Andares”, Zapopan, Mexico
15. Delta Sanatorium, Rosario, Argentina
16. Luis Vernazza Hospital, Guayaquil, Ecuador
17. National Mexico Cardiologist Association (ANCAM), Mexico City, Mexico
18. 20th November National Medical Center (ISSSTE), Mexico City, Mexico