[1] Dutch Inst Clin Auditing, Sci Bur, Leiden, Netherlands
[2] Netherlands Canc Inst Antoni van Leeuwenhoek, Dept Surg Oncol, Amsterdam, Netherlands
[3] AmsterdamUMC, Dept Radiat Oncol, Amsterdam, Netherlands
[4] Univ Med Ctr Rotterdam, Erasmus MC Canc Inst, Dept Med Oncol, Rotterdam, Netherlands
[5] Leiden Univ, Dept Biomed Data Sci, Med Ctr, Leiden, Netherlands
[6] AmsterdamUMC, Dept Surg, Amsterdam, Netherlands
[7] Antoni van Leeuwenhoek Hosp, Netherlands Canc Inst, Dept Surg Oncol, Plesmanlaan 121, NL-1066 CX Amsterdam, Netherlands