1. Cardiology Discipline, ABC Faculty of Medicine; ABC Foundation; Santo André; São Paulo; Brazil
2. Coronary Center of the Hospital de Messejana Dr. Carlos Alberto Studart Gomes; Fortaleza; Brazil
3. Department of Medicine/Cardiology/Geriatrics; University of Utah School of Medicine; Salt Lake City; UT
4. Cardiology Department, Hospital do Coração; Associação do Sanatório Sírio; São Paulo; Brazil
5. Interventional Cardiology Department, Hospital do Coração; Associação do Sanatório Sírio; São Paulo; Brazil