[1] Aarhus Univ, Aarhus Univ Hosp, Dept Clin Epidemiol, Aarhus, Denmark
[2] Lund Univ, Skane Univ Hosp, Dept Plast & Reconstruct Surg, Dept Clin Sci Surg, Lund, Sweden
[3] Aarhus Univ Hosp, Dept Plast & Breast Surg, Aarhus, Denmark
[4] Aarhus Univ Hosp, Dept Oncol, Aarhus, Denmark
[5] Aarhus Univ, Dept Clin Epidemiol, Dept Clin Med, Aarhus, Denmark
[6] Aarhus Univ Hosp, Aarhus, Denmark