[1] Aarhus Univ, Dept Clin Epidemiol, Dept Clin Med, Aarhus, Denmark
[2] Aarhus Univ Hosp, Aarhus, Denmark
[3] Viborg Hosp, Dept Internal Med, Viborg, Denmark
[4] Aarhus Univ Hosp, Dept Renal Med, Aarhus, Denmark
[5] Dept Endocrinol & Internal Med, Aarhus, Denmark
[6] Steno Diabet Ctr Aarhus, Aarhus, Denmark