[1] Univ Minnesota, Minneapolis, MN USA
[2] Wake Forest Sch Med, Dept Epidemiol & Prevent, Winston Salem, NC 27101 USA
[3] Duke Univ, Dept Community & Family Med, Durham, NC USA
[4] Toranomon Gen Hosp, Intens Care Unit, Tokyo, Japan
[5] Toranomon Gen Hosp, Dept Cardiol, Tokyo, Japan
[6] Univ Alabama Birmingham, Div Rheumatol, Birmingham, AL USA
[7] Univ Minnesota, Sch Med, Cardiovasc Div, Med, Minneapolis, MN 55455 USA
[8] Univ Minnesota, Dept Lab Med & Pathol, Minneapolis, MN 55455 USA
[9] Univ Minnesota, Div Epidemiol & Community Hlth, Minneapolis, MN USA