[1] Inst Invest Sanitaria Hosp Clin San Carlos IdISSC, Hosp Clin San Carlos, Med Oncol Dept, CIBERONC, Calle Prof Martin Lagos S-N, Madrid 28040, Spain
[2] Hosp Univ La Paz, Serv Oncol Med, Madrid, Spain
[3] Hosp Univ Reina Sofia, Med Oncol Dept, Maimonides Inst Biomed Res Cordoba IMIBIC, Cordoba, Spain
[4] Univ Barcelona, IDIBELL, Inst Catala Oncol, Barcelona, Spain
[5] Hosp Santa Creu & Sant Pau, Serv Oncol Med, Barcelona, Spain
[6] Hosp Univ Lucus Augusti, Serv Oncol Med, Lugo, Spain
[7] Hosp Univ Virgen Nieves, Serv Oncol Med, Inst Invest Biosanitaria Ibs Granada, Granada, Spain
[8] Hosp Univ Santiago, Serv Oncol Med, Santiago, Spain
[9] Astellas Pharm Europe Ltd, Addlestone, Surrey, England
[10] Effice Res, Madrid, Spain
[11] Hosp Univ 12 Octubre, Med Oncol Dept, Madrid, Spain