1. Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, the Netherlands
2. Department of Pathology, University Medical Center Utrecht, Utrecht, the Netherlands
3. Department of Epidemiology and Biostatistics, Netherlands Cancer Institute, Amsterdam, the Netherlands
4. Institute of Biostatistics and Registry Research, Brandenburg Medical School Theodor Fontane, Neuruppin, Germany
5. Department of Medical Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands