[1] Complexo Hosp Univ Ourense CHUO, Dept Med Oncol, Orense, Spain
[2] Vall dHebron Univ Hosp CHUO, Dept Med Oncol, Barcelona, Spain
[3] Vall dHebron Inst Oncol VHIO, Barcelona, Spain
[4] A Coruna Univ Hosp, Inst Invest Biomed INIBIC, La Coruna, Spain
[5] Hosp Univ Gregorio Maranon, Dept Med Oncol, Madrid, Spain
[6] CHUS, Santiago De Compostela, Spain
[7] Inst Valenciano Oncol, Valencia, Spain
[8] Hosp Univ Infanta Sofia, Dept Med Oncol, San Sebastian Los Reyes, Spain
[9] Univ Hosp Marques de Valdecilla, Dept Med Oncol, IDIVAL, Santander, Spain
[10] Hosp Prov Castellon, Valencia, Spain
[11] Hosp Gen Univ Elche, Alicante, Spain
[12] Hosp Univ 12 Octubre, Madrid, Spain
[13] Hosp Univ Lucas Augusti HULA, Lugo, Spain
[14] Hosp Univ Puerta de Hierro, Dept Med Oncol, Madrid, Spain
[15] Hosp Virgen de las Nieves, Granada, Spain
[16] Hosp Gen Valencia, Valencia, Spain
[17] Hosp Gen Univ Ciudad Real, Ciudad Real, Spain
[18] Complejo Hosp Univ Albacete, Albacete, Spain
[19] Hosp Univ Nuestra Senora de Valme, Seville, Spain
[20] Hosp Univ Princesa, Madrid, Spain
[21] Hosp Univ Reina Sofia, Cordoba, Spain