[1] Mayo Clin, Dept Internal Med, Div Gen Internal Med, Coll Med, Rochester, MN 55905 USA
[2] Mayo Clin, Dept Internal Med, Div Primary Care Internal Med, Coll Med, Rochester, MN 55905 USA
[3] Mayo Clin, Dept Internal Med, Div Cardiovasc Dis, Coll Med, Rochester, MN 55905 USA
[4] Mayo Clin, Dept Orthoped Surg, Coll Med, Rochester, MN 55905 USA
[5] Mayo Clin, Coll Med, Sch Continuous Profess Dev, Rochester, MN 55905 USA
[6] Univ S Carolina, Sch Med, Columbia, SC USA
[7] Mayo Clin, Dept Hlth Sci Res, Div Biomed Stat & Informat, Coll Med, Rochester, MN 55905 USA