Foundation for the Promotion of Healthcare and Biomedical Research in the Valencian Community (FISABIO), Valencia, Spain. Service of Endocrinology, University Hospital Doctor Peset, Valencia, Spain. Institute of Health Research INCLIVA, University of Valencia, Valencia, Spain. Department of Physiology, University of Valencia, Valencia, Spain. Psychiatry Service, University Hospital La Fe, Valencia, Spain. Department of Pharmacology and CIBER CB06/04/0071 Research Group, CIBER Hepatic and Digestive Diseases, University of Valencia, Valencia, Spain. Fundacion General de la Universidad de Valencia, Valencia, Spain. Research Group CIBER CB/06/02/0045 CIBER actions - Epidemiology and Public Health, University of Valencia, Valencia, Spain. Department of Medicine, University of Valencia, Valencia, Spain.