1. From the Departments of Gastroenterology (E.M., L.G., A.V.-R.) and Clinical Pharmacology (P.Z.), Dr. Balmis General University Hospital, ISABIAL (Instituto de Investigación Sanitaria y Biomédica de Alicante), Alicante, the Department of Clinical Medicine, Faculty of Medicine, Miguel Hernández University, Elche (E.M.), the Department of Gastroenterology and Hepatology, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria, Universidad de Alcalá (A.G.G.P., M.Á.R.-G., J.D....