[1] Hosp Clin Barcelona, Dept Med Oncol, Barcelona, Spain
[2] IDIBAPS Fundacio Recerca Clin Barcelona, Translat Genom & Targeted Therapeut Solid Tumors, Inst Invest Biomed August Pi & Sunyer, Barcelona, Spain
[3] Hosp Clin Barcelona, Dept Pathol, Barcelona, Spain
[4] Hosp Badalona Germans Trias & Pujol, Dept Oncol, ICO Inst Catala Oncol Badalona, Barcelona, Spain
[5] Hosp del Mar Parc Salut Mar, Dept Med Oncol, Barcelona, Spain
[6] IVO Fdn Inst Valenciano Oncol, Med Oncol, Valencia, Spain
[7] Hosp Gen Granollers, Dept Med Oncol, Granollers, Spain
[8] Hosp Clin Barcelona, Dept Med Oncol, Barcelona, Spain
[9] Xarxa Assistencial Univ Manresa, Hosp St Joan Deu Althaia, Med Oncol, Manresa, Spain