[1] Beaumont Hosp, Dept Internal Med, 3601 W 13 Mile Rd, Royal Oak, MI 48073 USA
[2] Mayo Clin, Sch Med, Dept Cardiovasc Med, Rochester, MN USA
[3] Metrohlth Med Ctr, Heart & Vasc Ctr, Dept Cardiovasc Med, Cleveland, OH USA
[4] Univ Kentucky, Dept Internal Med, Lexington, KY USA
[5] Beaumont Hosp, Dept Cardiovasc Med, Royal Oak, MI USA