Affiliation: | Chair of Gastroenterology, “L. Sacco” University Hospital, Milan, Italy. Fax: +39-02-39042232;Department of Gastroenterology Cimiez Hospital Nice, France;Department of Radiology, St Mark''s Hospital, London, UK;Department of Radiology, Sisli Etfal Education and Research Hospital, Istanbul, Turkey;Department of Surgery, Sisli Etfal Education and Research Hospital, Istanbul, Turkey;Department of Radiology, Sisli Etfal Education and Research Hospital, Istanbul, Turkey;Departments of Medicine and Pharmacology and Therapeutics, University of Calgary, Calgary, Alberta, Canada;Department of Surgery, University of Louisville, Louisville, Kentucky 40292, U.S.A.;Department of Surgery, Yale University School of Medicine, New Haven, Connecticut 06510, U.S.A. |