1 Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, Asklepios Hospital Barmbek, Hamburg, Germany.
2 Semmelweis University of Medicine, Asklepios Campus Hamburg, Hamburg, Germany.
3 Department of Gastroenterology and Hepatology, Asklepios Hospital Barmbek, Hamburg, Germany.
4 Department of Gastroenterology, Hepatopancreatology and Digestive Oncology, CUB Hôpital Erasme, Université Libre de Bruxelles, Brussels, Belgium.
5 Aichi Cancer Center, Nagoya, Japan.
6 Hepatopancreatobiliary Unit, Department of Gastrointestinal Surgery, Hospital Universitário - School of Medicine, Federal University of Maranhão, Maranhão, Brazil.