1. Immunomodulation Group, Navarrabiomed-Fundación Miguel Servet, IdISNA, Complejo Hospitalario de Navarra (CHN), Irunlarrea 3, 31008 Pamplona, Navarra, Spain
2. Department of Oncology, Complejo Hospitalario de Navarra (CHN), Irunlarrea 3, 31008 Pamplona, Navarra, Spain
3. Division of Infection & Immunity, Rayne Institute, University College London, 5 University Street, London WC1E 6JF, UK