[1] Univ Minnesota, Hennepin Cty Med Ctr, Lab Med & Pathol, Minneapolis, MN 55415 USA
[2] Mayo Clin, Dept Cardiol, Rochester, MN USA
[3] Mayo Clin, Dept Lab Med & Pathol, Rochester, MN USA
[4] Minneapolis Heart Inst, Minneapolis, MN USA
[5] Minneapolis Heart Inst Fdn, Minneapolis, MN USA
[6] McMaster Univ, Hamilton, ON, Canada
[7] Virginia Commonwealth Univ, Med Ctr, Coronary Intens Care Unit, Richmond, VA USA
[8] Univ Minnesota, Dept Lab Med & Pathol, Minneapolis, MN 55455 USA
[9] Univ Minnesota, Adv Res & Diagnost Lab, Minneapolis, MN USA
[10] Hennepin Cty Med Ctr, Minneapolis, MN 55415 USA
[11] Univ Minnesota, Emergency Med, Minneapolis, MN USA