1. CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Barcelona 08028, Spain
2. Gastrointestinal and Endocrine Tumors Group, Vall d’Hebron Institute of Oncology (VHIO), Barcelona 08035, Spain
3. Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Dr. Aiguader 88, Barcelona 08003, Spain
4. Universitat Pompeu Fabra (UPF), Pg. Lluis Companys 23, Barcelona 08003, Spain
5. ICREA, Pg. Lluis Companys 23, Barcelona 08010, Spain