Correspondence to: Dr E Cario University Hospital of Essen, Division of Gastroenterology and Hepatology, Institutsgruppe I, Virchowstr 171; D-45147 Essen, Germany; [email protected]
Supported by grants from the Deutsche Forschungsgemeinschaft (Ca226/4-1; Ca226/5-1/SPP Innate Immunity) and the Medical Faculty, University Hospital of Essen (IFORES). I thank Drs Andrew Gewirtz, Cathy Nagler-Anderson, Dana Philpott, Dan Podolsky, and Eduard Stange for interesting comments and discussions.
Published online first 19 April 2005
Conflict of interest: None declared.
