1. Department of Experimental Oncology European Institute of Oncology Milano Italy
2. Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology Uppsala University Sweden
3. Department of Cancer Immunology Institute for Cancer Research Oslo University Hospital Radiumhospitalet Oslo Norway
4. Institute of Clinical Medicine University of Oslo Oslo Norway
5. Center for Infectious Medicine Department of Medicine Huddinge Karolinska Institutet Karolinska University Hospital Stockholm Sweden
6. Department of Oncology Skane University Hospital Lund University Lund Sweden