Institution: | (1) Department of Surgery, Division of General Surgery, Medical University of Vienna, Vienna, Austria;(2) Department of Surgery, Division of General Surgery, Medical University of Vienna, Vienna, Austria;(3) Department of Surgery, Division of General Surgery, Medical University of Vienna, Vienna, Austria;(4) Department of Anesthesiology and Intensive Care, Medical University of Vienna, Vienna, Austria;(5) Department of Surgery, Division of General Surgery, Medical University of Vienna, Vienna, Austria;(6) Department of Medicine III, Division of Endocrinology and Metabolism, Medical University of Vienna, Vienna, Austria;(7) Department of Surgery, Division of General Surgery, Medical University of Vienna, Vienna, Austria;(8) Department of Surgery, Division of General Surgery, Medical University of Vienna, Vienna, Austria;(9) Department of Surgery, Division of General Surgery, Medical University of Vienna, Vienna, Austria |