1. Department of Surgery, Maastricht University Medical Centre+, GROW School for Oncology and Reproduction , Maastricht , The Netherlands
2. Department of Surgery, Erasmus Medical Centre , Rotterdam , The Netherlands
3. Department of Radiology and Nuclear Medicine, Maastricht University Medical Centre+, GROW School for Oncology and Reproduction , Maastricht , The Netherlands
4. Department of Pathology, Maastricht University Medical Centre+, GROW School for Oncology and Reproduction , Maastricht , The Netherlands
5. Department of Surgery, Netherlands Cancer Institute , Amsterdam , The Netherlands
6. Department of Surgery, Amsterdam University Medical Centre , Amsterdam , The Netherlands
7. Department of Radiotherapy, Erasmus Medical Centre , Rotterdam , The Netherlands