[1] Hosp Duran & Reynals, Med Oncol, Thorac Oncol Unit, Inst Catala Oncol, Barcelona, Spain
[2] Hosp Duran & Reynals, Radiotherapy Oncol, Thorac Oncol Unit, Inst Catala Oncol, Barcelona, Spain
[3] Hosp Univ Bellvitge, Thorac Oncol Unit, Barcelona, Spain
[4] Inst Catala Oncol, Biostat Med Oncol, Barcelona, Spain
[5] Hosp Duran & Reynals, Inst Catala Oncol, Thorac Oncol Unit, Barcelona, Spain