[1] Univ Santiago de Compostela, Hosp Clin, Fdn ECO, Serv Oncol Med, Santiago De Compostela, Spain
[2] Hosp Univ Miguel Servet, Serv Oncol Med, Fdn ECO, Zaragoza, Spain
[3] Univ Cordoba, Hosp Reina Sofia Cordoba, Serv Oncol Med, Fdn ECO,IMIBIC,CIBERONC, Cordoba, Spain
[4] Hosp Ramon & Cajal, Serv Oncol Med, Fdn ECO, Madrid, Spain
[5] Complejo Hosp Univ Pontevedra, Fdn ECO, Serv Oncol Med, Pontevedra, Spain
[6] Hosp Clin Univ Salamanca reached, Serv Oncol Med, Fdn ECO, Salamanca, Spain
[7] Real Acad Med, Fdn ECO, Madrid, Spain
[8] IdISCC, Madrid, Spain
[9] CIBERONC, Madrid, Spain
[10] Hosp Univ La Moraleja, Serv Oncol Med, Fdn ECO, Madrid, Spain
[11] Fdn Jimenez Diaz, Serv Oncol Med, Fdn ECO, Madrid, Spain
[12] Hosp Univ Clin, Serv Oncol Med, Fdn ECO, Barcelona, Spain
[13] Inst Valenciano Oncol, Serv Oncol Med, Fdn ECO, Valencia, Spain
[14] Fdn ECO, Madrid, Spain
[15] Gen Univ Hosp Valencia, Med Oncol Dept, ECO Fdn, Valencia, Spain
[16] Univ Valencia CIBERONC, Dept Med, Madrid, Spain