[1] Univ Fed Minas Gerais, Hosp Clin, Serv Cardiol & Cirurgia Cardiovasc, Belo Horizonte, MG, Brazil
[2] Univ Fed Minas Gerais, Hosp Clin, Ctr Telessaude, Belo Horizonte, MG, Brazil
[3] Univ Fed Minas Gerais, Fac Med, Dept Clin Med, Belo Horizonte, MG, Brazil
[4] Cincinnati Childrens Hosp Med Ctr, Inst Heart, Cincinnati, OH 45229 USA
[5] Univ Cincinnati, Sch Med, Div Pediat, Cincinnati, OH USA