[1] Katholieke Univ Leuven, Dept Oncol, Louvain, Belgium
[2] Univ Hosp Leuven, Dept Gen Med Oncol, Louvain, Belgium
[3] Univ Hosp Leuven, Dept Imaging & Pathol, Louvain, Belgium
[4] Katholieke Univ Leuven, Interuniv Ctr Biostat & Stat Bioinformat, Louvain, Belgium
[5] Univ Hosp Leuven, Dept Radiotherapy, Louvain, Belgium
[6] Univ Hosp Leuven, Dept Surg, Louvain, Belgium
[7] Univ Hosp Leuven, Dept Gynecol & Obstet, Louvain, Belgium