1. Department of Clinical Sciences, Lund, Division of Oncology, Lund University, Barngatan 4, SE-221 85 Lund, Sweden
2. Department of Hematology, Radiophysics and Oncology, Skåne University Hospital, Lasarettsgatan 23A, SE-221 85 Lund, Sweden
3. Department of Immunology, Pathology, and Genetics, Uppsala University, Rudbecklaboratoriet, SE-751 85 Uppsala, Sweden
4. Department of Respiratory Medicine, Lund University Hospital, Entrégatan 7, SE-221 85 Lund, Sweden