1. Department of RegistrationCancer Registry of Norway, Institute of Population‐Based Cancer ResearchOslo Norway
2. Division for Health Data and DigitalisationNorwegian Institute of Public HealthBergen Norway
3. Department of Oncology and Medical PhysicsHaukeland University HospitalBergen Norway
4. Department of Documentation & QualityDanish Cancer SocietyCopenhagen Denmark
5. Finnish Cancer Registry, Cancer Society of FinlandHelsinki Finland
6. Faculty of MedicineUniversity of OsloOslo Norway