1Clinical Oncology Department, Virgen Macarena University Hospital, Seville, Spain
2Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, Virgen Macarena University Hospital, University of Seville, Seville, Spain
3GEICAM (Spanish Breast Cancer Research Group), Madrid, Spain
4Pathology Department, IIS-Fundación Jimenez Diaz-CIBERONC, Madrid, Spain
5Department of Preventive Medicine and Public Health, Faculty of Medicine, University of Seville, Seville, Spain
6Medicine Department, University of Seville, Seville, Spain
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