[1] Aarhus Univ, Dept Clin Epidemiol, Aarhus, Denmark
[2] Aarhus Univ Hosp, Aarhus, Denmark
[3] Aarhus Univ, Dept Clin Epidemiol, Dept Clin Med, Aarhus, Denmark
[4] Aarhus Univ, Dept Biomed, Aarhus, Denmark
[5] Aarhus Univ Hosp, Dept Oncol, Aarhus, Denmark