[1] Triangulo Heart Inst, Uberlandia, MG, Brazil
[2] Univ Hamburg, Ctr Cardiovasc, Medicare Ctr Prof Mathey, Hamburg, Germany
[3] ZNA Middelheim, Antwerp Cardiovasc Ctr, Antwerp, Belgium
[4] Inst Dante Pazzanese Cardiol, Sao Paulo, Brazil
[5] Dante Pazzanese, Sao Paulo, Brazil
[6] Stanford Univ, Med Ctr, Stanford, CA 94305 USA
[7] Elixir Med Corp, Sunnyvale, CA USA
[8] Cardiovascular, Stanford, CA USA