Institution: | (1) Department of Visceral and Transplantation Surgery, Inselspital, University of Bern, Freiburgstrasse, CH-3010 Bern, Switzerland;(2) Present address: University of Hong Kong, Queen Mary Hospital, Pokfulam Road, Hong Kong;(3) Present address: Department of Surgery, Cliniques Universitaire St. Luc, Avenue Hippocrate 10, B-1200 Brussels, Belgium |