[1] Pontificia Univ Catolica Chile, Fac Med, Adv Ctr Chron Dis ACCDiS, Div Enfermedades Cardiovasc, Santiago, Chile
[2] Univ Chile, Fac Ciencias Quim & Farmaceut, Adv Ctr Chron Dis ACCDiS, Santiago, Chile
[3] Univ Fed Minas Gerais, Inst Biol Sci, Dept Physiol & Biophys, Belo Horizonte, MG, Brazil
[4] Univ Texas Southwestern Med Ctr Dallas, Dept Internal Med Cardiol Div, Dallas, TX 75390 USA
[5] Univ Chile, Fac Med, Adv Ctr Chron Dis ACCDiS, Santiago, Chile