[1] Aarhus Univ Hosp, Res Ctr Emergency Med, DK-8000 Aarhus, Denmark
[2] Reg Hosp Randers, Clin Res Unit, Randers, Denmark
[3] Reg Hosp Randers, Dept Internal Med, Randers, Denmark
[4] Aarhus Univ Hosp, Dept Cardiol, DK-8000 Aarhus, Denmark
[5] Aarhus Univ, Inst Clin Med, Aarhus, Denmark