1. Metabolomics Unit, Proteomics Unit, Structural Biology Unit, and Bioinformatics Unit, CICbioGUNE, CIBERehd, Bizkaia Technology Park, Derio, 48160, Bizkaia, Spain and Division of Gastrointestinal and Liver Diseases, USC Research Center for Liver Diseases, Keck School of Medicine, University of Southern California, Los Angeles, California 90033