Affiliation: | (1) Gastrointestinal Unit, Mater Misericordiae Hospital, Dublin;(2) Meath/Adelaide and St. James’s Hospitals, Dublin;(3) Meath/Adelaide Hospitals, Dublin;(4) Department of Anaesthesia and Intensive Care, Mater Misericordiae Hospital, Dublin;(5) Departments of Pharmacology and Cardiology, University College, Cork;(6) Department of Endocrinology, Mater Misericordiae Hospital, Dublin |