[1] Dept Insuficiencia Cardiaca DEIC SBC, Rio De Janeiro, Brazil
[2] Hosp Copa Or, Rio De Janeiro, Brazil
[3] Hcor Hosp Coracao, Sao Paulo, Brazil
[4] Hosp Samaritano Paulista, Sao Paulo, Brazil
[5] Brazilian Clin Res Inst, Sao Paulo, Brazil
[6] Duke Univ, Sch Med, Duke Clin Res Inst, Durham, NC USA
[7] Univ Fed Sao Paulo, Ctr Pesquisa Clin Med & Cardiol, Sao Paulo, Brazil
[8] Hosp Reg Hans Dieter Schmidt, Joinville, SC, Brazil
[9] Fundacao Fac Reg Med Sao Jose Do Rio Preto, Sao Paulo, Brazil
[10] Hosp Clin Gaspar Viana, Paro, Brazil
[11] Hosp Naval Marcilio Dias, Rio De Janeiro, Brazil
[12] Real Hosp Portugues Beneficencia Pernambuco, Recife, PE, Brazil
[13] Hosp Univ Univ Fed Maranhao CEPEC HUUFMA, Ctr Pesquisa Clin, Sao Luis, MA, Brazil
[14] Hosp Messejana, Fortaleza, CE, Brazil
[15] Hosp Sao Lucas PUCRS, Porto Alegre, RS, Brazil
[16] Univ Luterana Brasil, Hosp Univ Canoas RS, Canoas, RS, Brazil
[17] Clin Gemelli, Porto Velho, RO, Brazil
[18] Hosp Clin Porto Alegre, Porto Alegre, RS, Brazil
[19] Hosp Moinhos Vento HMV, Porto Alegre, RS, Brazil
[20] Santa Casa Votuporanga, Sao Paulo, Brazil
[21] Univ Fed Alagoas, Hosp Univ Prof Alberto Antunes, Maceio, AL, Brazil
[22] Univ Sao Paulo, Fac Med Ribeirao Preto, Hosp Clin, Sao Paulo, Brazil
[23] Inst Dante Pazzanese Cardiol, Sao Paulo, Brazil
[24] Hosp Univ Norte Parano UEL, Londrina, PR, Brazil
[25] Hosp Caridade Sao Vicente Paulo, Sao Paulo, Brazil
[26] Hosp Univ Pedro Ernesto, Rio De Janeiro, Brazil
[27] Complexo Hosp Amer Vitoria & Samaritano Barra, Rio De Janeiro, Brazil
[28] Irmandade Santa Casa Misericordia Curitiba, Curitiba, PR, Brazil
[29] Univ Sao Paulo, Fac Med, Hosp Clin, Inst Coracao inCor, Sao Paulo, Brazil
[30] Univ Fed Fluminense, Rio De Janeiro, Brazil
[31] Duke Clin Res Inst, 300 West Morgan St,Suite 800, Durham, NC 27701 USA