Department of Hematology, Hospital Universitario Virgen del Rocío/Instituto de Biomedicina de Sevilla (IBIS)/CSIC/CIBERONC, Universidad de Sevilla, Seville, Spain. Department of Immunology, Hospital Universitario Virgen del Rocío, Seville, Spain. IBSAL-Hospital Universitario de Salamanca/CIBERONC, CIC-Universidad de Salamanca, Salamanca, Spain. Institut Catalad'Oncologia, Hospital Germans Trias i Pujol, Barcelona, Spain. Hospital Vall d'Hebron, Barcelona, Spain. Hospital Carlos Haya, Málaga, Spain. Institut Catala d'Oncologia, Hospital Duran i Reynals, Barcelona, Spain. Instituto de Biomedicina de Sevilla (IBIS)/ CSIC/ CIBERONC, Universidad de Sevilla, Seville, Spain. Department of Hematology, Hospital Universitario Virgen del Rocío/Instituto de Biomedicina de Sevilla (IBIS)/CSIC/CIBERONC, Universidad de Sevilla, Seville, Spain. josea.perez.simon.sspa@juntadeandalucia.es.