Affiliation: | 1. Department of Internal Medicine, University Hospital of Santiago de Compostela, Santiago de Compostela, Spain;2. Alcoholism Unit, Department of Internal Medicine, University Hospital of Salamanca, Salamanca, Spain;3. Department of Medicine, IBSAL, University of Salamanca, Salamanca, Spain;4. Department of Clinical Biochemistry, University Hospital of Salamanca, Salamanca, Spain |