| Affiliation: | MRC Human Biochemical Genetics Unit, University College London, Wolfson House, 4 Stephenson Way, London NW1 2HE, UK;Instituto di Scienze dell'Alimentazione-CNR, via Romea 52, 83100 Avellino, Italy;Dipartimento di Pediatria, Via S. Pansini, 5, 80131 Naples, Italy;Gastroenterology Unit, City Hospital, Dudley Rd, Birmingham, B18 7QH, UK;Gastroenterology Unit, The University College London Hospitals, Gower St London WC1, UK;Valio Research Centre, PO Box 30, FIN-00039, Helsinki, Finland;University of Helsinki, Department of Pharmacology and Toxicology, Helsinki, Finland |
