[1] 12 Octubre Univ Hosp, Ctr Biomed Res, Digest Canc Res Grp, Madrid, Spain
[2] Univ Salamanca, CSIC, Ctr Invest Canc, Mol Genet Oncohematol,IBMCC, Salamanca, Spain
[3] Hosp Gen Ciudad Real, Dept Clin Oncol, Ciudad Real, Spain
[4] Univ Hosp 12 Octubre, Mol Biol Lab, Madrid, Spain
[5] Univ Hosp 12 Octubre, Dept Surg, Madrid, Spain
[6] CNIO Spanish Natl Canc Ctr, Familial Canc Clin Unit, Madrid, Spain