[1] Aalborg Univ Hosp, Unit Epidemiol & Biostat, Aalborg, Denmark
[2] Aalborg Univ Hosp, Dept Cardiol, Aalborg, Denmark
[3] Herlev Gentofte Univ Hosp, Dept Endocrinol, Copenhagen, Denmark
[4] Rigshosp, Dept Cardiol, Heart Ctr, Copenhagen Univ Hosp, Copenhagen, Denmark