1. Cytometry Service-NUCLEUS, Department of Medicine, Cancer Research Center, IBMCC-CSIC/USAL and IBSAL, University of Salamanca, Salamanca, Spain
2. Cancer Research Center and Service of Hematology, University Hospital of Salamanca, Salamanca, Spain
3. Department of Pathology, University Hospital of Salamanca, Salamanca, Spain
4. Genomics Unit, Cancer Research Center, IBMCC-CSIC/USAL, Salamanca, Spain
5. Service of General and Gastrointestinal Surgery and IBSAL, University Hospital of Salamanca, Salamanca, Spain