[1] Cardiovasc Consultants, Lees Summit, MO 64081 USA
[2] Univ Missouri, Dept Med, Kansas City, MO USA
[3] St Lukes Mid Amer Heart Inst, Kansas City, MO USA
[4] Mayo Clin & Mayo Fdn, Dept Med, Mayo Clin, Coll Med,Cardiac Catheterizat Lab, Rochester, MN 55905 USA
[5] Mayo Clin & Mayo Fdn, Div Cardiovasc Dis, Rochester, MN 55905 USA
[6] Mayo Clin & Mayo Fdn, Dept Internal Med, Rochester, MN 55905 USA