[1] EMBL-CRG Systems Biology Unit,Division of Electronics
[2] Centre for Genomic Regulation (CRG),undefined
[3] Barcelona Institute of Science and Technology,undefined
[4] Universitat Pompeu Fabra (UPF),undefined
[5] Rudjer Boskovic Institute,undefined
[6] Institució Catalana de Recerca i Estudis Avançats (ICREA),undefined
[7] Present address: Department of Molecular Biology,undefined
[8] Radboud Institute for Molecular Life Sciences,undefined
[9] Nijmegen,undefined
[10] the Netherlands.,undefined