1. Mouse Models and Cancer Laboratory, Anatomy Pathology Department, Vall d’Hebron Research Institute, Barcelona 08035, Spain.
2. Proteomic Laboratory, Medical Oncology Research Program, Vall d’Hebron Research Institute–VHIO, Barcelona 08035, Spain.
3. Cancer Stem Cells Laboratory, Medical Oncology Research Program, Vall d’Hebron Research Institute–VHIO, Barcelona 08035, Spain.
4. Division of Hepatology and Gene Therapy, Center for Applied Medical Research, University of Navarra, Pamplona 31008, Spain.
5. Laboratory of Cancer Biology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892–4264, USA.