1 Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, Hospitalet de Llobregat, Barcelona, Spain.
2 Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Hospitalet de Llobregat, Barcelona, Spain.
3 Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.
4 Gastrointestinal Cancer Genetics Laboratory, Institute of Cancer and Genomic Sciences, University of Birmingham, Edgbaston, Birmingham, UK.
5 Edinburgh Cancer Research Centre, IGMM, University of Edinburgh, Edinburgh, UK.
6 Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, Hospitalet de Llobregat, Barcelona, Spain. lvalle@idibell.cat.
7 Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Hospitalet de Llobregat, Barcelona, Spain. lvalle@idibell.cat.
8 Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain. lvalle@idibell.cat.