[1] Clin Girassol, Cardiol Dept, Luanda, Angola
[2] Univ Franca, Univ Franca, Franca, Brazil
[3] Univ Estacio Sa Campos Citta America, Fac Med, Rio De Janeiro, Brazil
[4] Univ Fed Para, Fac Med, Belem, Brazil
[5] Ctr Neurociencia, Clin Girassol, Luanda, Angola
[6] FMUAN, CEDUMED, Ctr Estudos Avancados Formacao & Educ Med, Luanda, Angola
[7] Clin Girassol, Cardiol Dept, Ave Comandante Gika,255, Luanda, Angola