1. Department of Respiratory Disease, Aalborg University Hospital, Aalborg, Denmark
2. Department of Oncology, Regional Hospital West Jutland, Herning, Danmark
3. Department of Respiratory Medicine, Odense University Hospital, Odense, Denmark
4. Department of Pathology, Aalborg University Hospital, Aalborg, Denmark
5. The Clinical Institute, Aalborg University, Aalborg, Denmark
6. Department of Oncology, Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark
7. Department of Oncology, Levanger Hospital, Nord-Trøndelag Health Trust, Levanger, Norway
8. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway