[1] Mayo Clin, Dept Cardiovasc Med, 200 First St SW, Rochester, MN 55905 USA
[2] Mayo Clin, Div Biomed Stat & Informat, Rochester, MN USA
[3] Mayo Clin, Div Hlth Care Policy & Res, Rochester, MN USA
[4] Johns Hopkins Sch Med, Dept Med, Baltimore, MD USA
[5] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Hlth Behav & Soc, Baltimore, MD USA
[6] Mayo Clin, Dept Psychiat & Psychol, Rochester, MN USA