1. Department of Internal Medicine, Medical Oncology, Catharina Hospital, Eindhoven, The Netherlands;
2. The Netherlands Cancer Registry, Comprehensive Cancer Organization the Netherlands, Utrecht, The Netherlands;
3. Department of Surgery, Catharina Hospital, Eindhoven, The Netherlands;
4. Department of Internal Medicine, Medical Oncology, VieCuri Medical Center, Venlo, The Netherlands;
5. Department of Internal Medicine, Medical Oncology, TweeSteden Hospital, Tilburg, The Netherlands;
6. Department of Internal Medicine, Medical Oncology, Elkerliek Hospital, Helmond, The Netherlands;
7. Department of Public Health, Erasmus MC University Medical Centre, Rotterdam, The Netherlands