[1] Loma Linda Univ Hlth, Dept Med, Div Cardiol, Loma Linda, CA USA
[2] Hillel Yaffe Med Ctr, Dept Cardiol, Hadera, Israel
[3] Keele Univ, Sch Med, Dept Renal Med, David Weatherall Bldg, Keele, England
[4] Loma Linda VA Hlth Care Syst, Dept Med, Loma Linda, CA USA
[5] McMaster Univ, Dept Med, Hamilton, ON, Canada
[6] McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[7] Populat Hlth Res Inst, Hamilton, ON, Canada
[8] Res Inst St Josephs, Hamilton, ON, Canada
[9] Keele Univ, Ctr Prognosis Res, Keele Cardiovasc Res Grp, Stoke On Trent, England