Author information: (1)Centre for Genomic Regulation, The Barcelona Institute of Science and Technology, Barcelona, Spain. (2)Centro de Investigación Biomédica en red Diabetes y enfermedades metabólicas asociadas (CIBERDEM), Barcelona, Spain. (3)Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK. (4)Centre for Genomic Regulation, The Barcelona Institute of Science and Technology, Barcelona, Spain. silvia.bonas@crg.eu. (5)Centro de Investigación Biomédica en red Diabetes y enfermedades metabólicas asociadas (CIBERDEM), Barcelona, Spain. silvia.bonas@crg.eu. (6)Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK. silvia.bonas@crg.eu. (7)JDRF/Wellcome Diabetes and Inflammation Laboratory, Wellcome Centre for Human Genetics, Nuffield Department of Medicine, NIHR Oxford Biomedical Research Centre, University of Oxford, Oxford, UK. (8)Present Address: Life Sciences Department, Barcelona Supercomputing Center (BSC), 08034, Barcelona, Spain. (9)Lund University Diabetes Centre, Clinical Research Center, Malmö, Sweden. (10)Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden. (11)Oxford Centre for Diabetes, Endocrinology and Metabolism, Radcliffe Department of Medicine, University of Oxford, Oxford, UK. (12)Department of Pediatrics, Division of Endocrinology, Stanford School of Medicine, Stanford, CA, USA. (13)Department of Clinical and Experimental Medicine, AOUP Cisanello University Hospital, University of Pisa, Pisa, Italy. (14)Cell Isolation and Transplantation Center, University of Geneva, Geneva, Switzerland. (15)Department of Medicine, Leiden University Medical Center, Leiden, the Netherlands. (16)Hubrecht Institute/KNAW, Utrecht, the Netherlands. (17)University of Lille, Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Hospitalier Universitaire de Lille (CHU Lille), Institute Pasteur Lille, U1190 -European Genomic Institute for Diabetes (EGID), F59000, Lille, France. (18)Diabetes Research Institute, IRCCS Ospedale San Raffaele and Università Vita-Salute San Raffaele, Milan, Italy. (19)Centre for Genomic Regulation, The Barcelona Institute of Science and Technology, Barcelona, Spain. jorge.ferrer@crg.eu. (20)Centro de Investigación Biomédica en red Diabetes y enfermedades metabólicas asociadas (CIBERDEM), Barcelona, Spain. jorge.ferrer@crg.eu. (21)Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK. jorge.ferrer@crg.eu.