1. Department of Medical Oncology, Hospital Universitario Virgen del Rocío, Seville, Spain
2. University of Málaga, Málaga, Spain
3. Instituto de Biomedicina de Sevilla, IBIS, Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Consejo Superior de Investigaciones Científicas, Seville, Spain
4. Department of Radiation Oncology, Hospital Universitario Virgen del Rocío, Seville, Spain
5. Department of Pathology, Hospital Universitario Virgen del Rocío, Seville, Spain