[1] Univ Navarra, Pamplona, Spain
[2] Clin Univ Navarra, Pamplona, Spain
[3] Univ Navarra, Ctr Appl Med Res, Pamplona, Spain
[4] Natl Inst Cardiol Ignacio Chavez, Mexico City, DF, Mexico
[5] MD Anderson Canc Ctr, Madrid, Spain
[6] Fdn Inst Valenciano Oncol FIVO, Valencia, Spain