1 Department of Medical Oncology, Centro Integral Oncológico Clara Campal Barcelona (CIOCCB), HM Delfos, Barcelona, Spain. [email protected].
2 Department of Medical Oncology, Complexo Hospitalario Universitario A Coruña, A Coruña, Spain.
3 Institute of Biomedicine of Sevilla (IBiS), Department of Normal and Pathological Cytology and Histology, Virgen del Rocio University Hospital /CSIC/University of Sevilla, Sevilla, Spain.
4 CIBERONC, Madrid, Spain.
5 Department of Medical Oncology, Complejo Hospitalario de Navarra and Navarra Institute for Health Research (IdiSNA), Pamplona, Spain.
6 Department of Pathology, Hospital Universitario Doce de Octubre, Madrid, Spain.
7 Department of Medical Oncology, Hospital General Universitario de Elche y Vega Baja, Elche, Spain.
8 Group for Breast Cancer Research (GEICAM), Madrid, Spain.
9 Department of Pathology, Hospital del Mar, Barcelona, Spain.
10 School of Medicine, Universidad de Alcalá, Madrid, Spain.
11 Medical Oncology Department, IRYCIS, Hospital Universitario Ramón y Cajal, Madrid, Spain.
12 Department of Pathology, Fundación Universitaria Jiménez Díaz, Madrid, Spain.
13 Department of Pathology, Hospital Universitario Miguel Servet, Zaragoza, Spain.