[1] Fdn Inst Valenciano Oncol FIVO, Spanish Breast Canc Grp, Valencia, Spain
[2] Univ Rey Juan Carlos, Spanish Breast Canc Grp, Hosp Univ Fdn Alcorcon, Madrid, Spain
[3] Univ Complutense, Inst Invest Sanitaria Gregorio Maranon IiSGM, Hosp Univ Gregorio Maranon, CIBERONC ISCIII,Spanish Breast Canc Grp, Madrid, Spain
[4] Hosp Clin Univ Salamanca IBSAL, Spanish Breast Canc Grp, Salamanca, Spain
[5] Complejo Hosp Univ Albacete, Spanish Breast Canc Grp, Albacete, Spain
[6] Univ Barcelona, Spanish Breast Canc Grp, Inst Catala Oncol ICO Hosp, Inst Invest Biomed Bellvitge IDIBELL, Barcelona, Spain
[7] Hosp Univ Basurto, Spanish Breast Canc Grp, Bilbao, Spain
[8] Complejo Hospitalario Univ A Coruna CHUAC, Spanish Breast Canc Grp, Valencia, Spain
[9] Hosp Badalona Germans Trias & Pujol, Spanish Breast Canc Grp, ICO Badalona, Barcelona, Spain
[10] Hosp Univ Canarias, Spanish Breast Canc Grp, Santa Cruz De Tenerife, Spain
[11] Hosp Gen Univ Elche, Spanish Breast Canc Grp, Alicante, Spain
[12] Consorcio Hosp Gen Univ Valencia, Spanish Breast Canc Grp, Valencia, Spain
[13] Infanta Sofia Univ Hosp, Spanish Breast Canc Grp, Madrid, Spain
[14] Complejo Hosp Navarra, Serv Navarro Salud Osasunbidea, Spanish Breast Canc Grp, Pamplona, Spain
[15] Hosp Univ Fuenlabrada, Spanish Breast Canc Grp, Madrid, Spain
[16] Univ Murcia, Spanish Breast Canc Grp, Hosp Clin Univ Virgen de la Arrixaca, IMIB Arrixaca, Murcia, Spain
[17] Hosp Univ Miguel Servet, Inst Invest Sanitaria Aragon IIS Aragon, Spanish Breast Canc Grp, Zaragoza, Spain
[18] Hosp Univ Lozano Blesa, Spanish Breast Canc Grp, Zaragoza, Spain
[19] Spanish Breast Canc Grp, Madrid, Spain
[20] Hosp Univ Donostia BioDonostia, Spanish Breast Canc Grp, San Sebastian, Spain
[21] Hosp Univ Fdn Jimenez Diaz, CIBERONC ISCIII, Spanish Breast Canc Grp, Madrid, Spain