[1] HCor, Sao Paulo, SP, Brazil
[2] Dante Pazzanese, Sao Paulo, Brazil
[3] Inst Dante Pazzanese, Sao Paulo, SP, Brazil
[4] HCor, Sao Paulo, Bouvet Island, Brazil
[5] Hosp Coracao Assoc Sanatorio Sirio, Sao Paulo, SP, Brazil
[6] Inst Dante Pazzanese Cardiol, Sao Paulo, CA USA