[1] Hosp Clin Univ Virgen de la Victoria, GEICAM Spanish Breast Canc Grp, Malaga, Spain
[2] Canc Res UK Cambridge Inst, Cambridge, England
[3] Hosp Clin Univ Valencia, GEICAM Spanish Breast Canc Grp, Ctr Invest Biomed Red Oncol, CIBERONC ISCIII, Valencia, Spain
[4] Hosp del Mar, GEICAM Spanish Breast Canc Grp, Barcelona, Spain
[5] Canc Res UK, Cambridge Res Inst, Cambridge, England
[6] Hosp Virgen de la Salud, GEICAM Spanish Breast Canc Grp, Toledo, Spain
[7] Complejo Hosp Univ A Coruna, GEICAM Spanish Breast Canc Grp, La Coruna, Spain
[8] Univ Cordoba, Biomed Res Inst Maimonides, Hosp Univ Reina Sofia, Cordoba, Spain
[9] Spanish Breast Canc Grp, Ctr Invest Biomed Red Oncol, CIBERONC ISCIII GEICAM, Cordoba, Spain
[10] Hosp Univ Reg & Virgen de la Victoria Malaga, IBIMA, Unidad Gest Clin Interctr Oncol, Malaga, Spain
[11] Hosp Badalona Germans Trias & Pujol, Med Oncol Dept, Catalan Inst Oncol, Badalona, Spain
[12] GEICAM Spanish Breast Canc Grp, Ctr Oncol Galicia, La Coruna, Spain
[13] Hosp Terrassa, GEICAM Spanish Breast Canc Grp, Barcelona, Spain
[14] GEICAM Spanish Breast Canc Grp, Madrid, Spain
[15] Hosp Clin Univ Virgen de la Victoria, Malaga, Spain
[16] Fdn Jimenez Diaz, Madrid, Spain
[17] CIBERONC ISCIII, Ctr Invest Biomed Red Oncol, Madrid, Spain
[18] Univ Cambridge, Canc Res UK Cambridge Inst, Li Ka Shing Ctr, Cambridge, England