| Affiliation: | (1) Present address: Toronto General Hospital, 101 College Street, Eaton Building 19-211, M5G 1L7 Toronto, Ontario, Canada;(2) Present address: Department of Surgical Gastroenterology, Hvidovre Hospital, University of Copenhagen, DK-2650 Hvidovre, Denmark;(3) Present address: Department of Surgery, The New York Hospital - Cornell Medical Center, 525 East 68th Street, 10021 New York, NY, USA;(4) Present address: 149 Harley Street, W1N 2DE London, UK;(5) Present address: The Cleveland Clinic, 9500 Euclid Avenue, 44106 Cleveland, OH, USA;(6) Present address: Second Department of Surgery, Helsinki University Central Hospital, SF-00290 Helsinki, Finland;(7) Present address: Department of Gastroenterology, The Royal Melbourne Hospital, c/o The Post Office, 3050, Victoria, Australia;(8) Present address: Department of Surgery, The Mayo Clinic, 55905 Rochester, MN, USA |
