[1] Hosp Gen Univ Gregorio Maranon, Dept Med Oncol, Inst Invest Sanitaria Gregorio Maranon, CiberOnc, Madrid, Spain
[2] Hosp Gen Univ Gregorio Maranon, Dept Med Oncol, CIBERONC ISCIII, GEICAM,Spanish Breast Canc Grp, Madrid, Spain
[3] Hosp Clin Univ San Carlos, Med Oncol Dept, Madrid, Spain
[4] Hosp Clin San Carlos IdISSC, Inst Invest Sanitaria, CIBERONC, Med Oncol Dept, Madrid, Spain
[5] Inst Invest Sanitaria GregorioMaranon, Dept Med Oncol, Madrid, Spain
[6] Hosp Gen Univ Gregorio Maranon, Pathol, Madrid, Spain
[7] Hosp Univ Princesa, Dept Med Oncol, Madrid, Spain
[8] Hosp Univ Gran Canaria Doctor Negrin, Dept Med Oncol, Las Palmas Gran Canaria, Canary Island, Spain
[9] Oncosalud SAC, Radioncol Dept, Lima, Peru
[10] Aliada Canc, Ctr Oncol, Dept Med Oncol, Lima, Peru
[11] Hosp Gen Univ Gregorio Maranon, Med Oncol, Madrid, Spain
[12] Hosp Gen Univ Gregorio Maranon, Dept Med Oncol, Madrid, Spain
[13] Hosp Gen Univ Gregorio Maranon, Radiol, Madrid, Spain
[14] Hosp Sur, Med Oncol, Madrid, Spain
[15] Hosp Gen Univ Gregorio Maranon, Med Dept, Serv Oncol, Madrid, Spain