[1] Biodonostia Hlth Res Inst, Dept Oncol, San Sebastian, Spain
[2] OSIDonostialdea Onkol, Pathol Unit, Gipuzkoa Pathol Unit, San Sebastian, Spain
[3] OSI Donostialdea Onkol, Dept Oncol, Gipuzkoa Canc Unit, San Sebastian, Spain
[4] General Surg Gynecol & Gen Surg Dept, Breast Unit, Onkol, San Sebastian, Spain
[5] Hosp Sagunto Hosp Clin Univ, Dept Oncol, Valencia, Spain
[6] Valencia Oncol Inst IVO, Dept Oncol, Valencia, Spain
[7] ICO Inst Catala Oncol Badalona Hosp Univ Germ, Dept Oncol, Badalona, Spain
[8] Hosp 12 Octubre, Dept Oncol, Madrid, Spain
[9] Hosp Clin Barcelona, Oncol Dept, Barcelona, Spain
[10] Hosp Clin Barcelona, Dept Med Oncol, Barcelona, Spain
[11] Biodonostia Hlth Res Inst, Dept Oncol, San Sebastian, Spain
[12] OSI Donostialdea Onkol, Gipuzkoa Canc Unit, San Sebastian, Spain
[13] Biodonostia Hlth Res Inst, Oncol Dept, Bilbao, Spain
[14] Ikerbasque, Basque Fdn Sci, Bilbao, Spain