1
Department of Visceral, Vascular and Endocrine Surgery, Martin Luther
University of Halle-Wittenberg Faculty of Medicine, Halle, Germany
,
Frank Weber
2
Department of General, Visceral and Transplantation Surgery, Division
of Endocrine Surgery, University of Duisburg-Essen, Faculty of Medicine, Essen,
Germany
,
Henning Dralle
2
Department of General, Visceral and Transplantation Surgery, Division
of Endocrine Surgery, University of Duisburg-Essen, Faculty of Medicine, Essen,
Germany