Affiliation: | 1. Center for Integrative Genomics, Georgia Institute of Technology, Atlanta, GA, USA;2. CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Barcelona, Catalonia, Spain;3. Gene Regulation, Stem Cells and Cancer Program, Centre for Genomic Regulation (CRG), Barcelona, Catalonia, Spain;4. Universitat Pompeu Fabra (UPF), Barcelona, Catalonia, Spain;5. Institute of Evolutionary Biology (UPF-CSIC), Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Barcelona, Catalonia, Spain;6. National Institute for Bioinformatics (INB), Barcelona, Catalonia, Spain;7. Institució Catalana de Recerca i Estudis Avançats (ICREA), PRBB, Barcelona, Catalonia, Spain;8. These authors contributed equally |