[1] Aarhus Univ Hosp, Dept Clin Epidemiol, Aarhus, Denmark
[2] Reg Hosp Randers, Dept Internal Med, Randers, Denmark
[3] Reg Hosp West Jutland, Dept Internal Med, Herning, Denmark
[4] Danish Heart Fdn, Dept Res, Copenhagen, Denmark
[5] Danish Canc Soc, Res Ctr, Copenhagen, Denmark
[6] Univ Southern Denmark, Natl Inst Publ Hlth, Copenhagen, Denmark
[7] Univ Copenhagen, Hosp Gentofte, Dept Cardiol, Hellerup, Denmark