1. Faculty of Medicine and Health SciencesDepartment of Social Epidemiology and Health PolicyUniversity of AntwerpAntwerpBelgium
2. Centre for Cancer DetectionBruges/AntwerpBelgium
3. Antwerp University HospitalOncology DepartmentAntwerpBelgium
4. Molecular ImagingPathologyRadiotherapy & OncologyUniversity of AntwerpBelgium
5. Belgian Cancer RegistryBrusselsBelgium