1. Department of Respiratory Diseases and Allergy, Aarhus University Hospital, Aarhus N, Denmark
2. Department of Clinical Medicine, Aarhus University, Aarhus N, Denmark
3. The Finnish Cancer Registry, Cancer Society of Finland, Helsinki, Finland
4. Department of Respiratory Medicine, Oslo University Hospital and University of Oslo, Oslo, Norway
5. Department of Research, Cancer Registry of Norway, Oslo, Norway, formerly affiliated with Department of Medicine, SOLNA Karolinska Institutet, Solna, Sweden
6. Department of Thoracic Surgery, Odense University Hospital, Odense, Denmark
7. Survivorship and Inequality in Cancer, Danish Cancer Society Research Center, Copenhagen, Denmark
8. Danish Research Center for Equality in Cancer (COMPAS), Department for Clinical Oncology & Palliative Care, Zealand University Hospital, Naestved, Denmark