[1] Catalan Inst Oncol, Dept Med Oncol, Epigenet & Biol Program, Barcelona, Spain
[2] Hosp Univ Bellvitge, Pathol, Lhospitalet De Llobregat, Spain
[3] Catalan Inst Oncol, Dept Med Oncol, Barcelona, Spain
[4] Catalan Inst Oncol Ico Hosp, Radiat Oncol, Barcelona, Spain
[5] Hosp Univ Bellvitge, Dept Resp Med, Barcelona, Spain
[6] Bellvitge Biomed Res Inst, Epigenet & Biol Program, Barcelona, Spain