[1] Univ Minnesota, Lillehei Heart Inst, Dept Med, Div Cardiol, Minneapolis, MN USA
[2] Univ Minnesota, Dept Biochem Mol Biol & Biophys, Minneapolis, MN USA
[3] Lanzhou Univ, Hosp 2, Div Cardiol, Lanzhou, Gansu, Peoples R China
[4] Brown Univ, Rhode Isl Hosp,Warren Alpert Med Sch, Cardiovasc Res Ctr, Div Cardiol, Providence, RI USA
[5] Univ Minnesota, Dept Integrat Biol & Physiol, Minneapolis, MN USA
[6] Univ Minnesota, Div Cardiol, VCRC 286 MMC 508,420 Delaware St,SE, Minneapolis, MN 55455 USA