1. Department of Pathology Clínica Universidad de Navarra Pamplona Spain
2. Department of Anatomy, Physiology and Pathology University of Navarra Pamplona Spain
3. Centro de Investigación Biomédica en Red de Cáncer (CIBERONC) Madrid Spain
4. Division of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA) University of Navarra Pamplona Spain
5. Navarra Institute for Health Research (IdISNA) Pamplona Spain
6. Department of Pathology Yale University School of Medicine New Haven CT USA
7. Department of Oncology Clínica Universidad de Navarra Pamplona Spain