1 Department of Surgery, Academic Medical Center, 1100 DD Amsterdam, Netherlands. Electronic address: [email protected].
2 Department of Surgery, Academic Medical Center, 1100 DD Amsterdam, Netherlands.
3 Tytgat Institute for Liver and Intestinal Research, Academic Medical Center, 1100 DD Amsterdam, Netherlands; Department of Gastroenterology and Hepatology, Academic Medical Center, 1100 DD Amsterdam, Netherlands.