1. Department of Medical Oncology Amsterdam UMC Vrije Universiteit Amsterdam/Cancer Center Amsterdam Amsterdam The Netherlands
2. Division of Molecular Pathology The Netherlands Cancer Institute Amsterdam The Netherlands
3. Department of Pathology The Netherlands Cancer Institute Amsterdam The Netherlands
4. Division of Biometrics The Netherlands Cancer Institute Amsterdam The Netherlands
5. Department of Medical Oncology The Netherlands Cancer Institute Amsterdam The Netherlands
6. Department of Pathology University Medical Centre Utrecht Utrecht University Utrecht The Netherlands