“…1 Department of Thoracic Surgery, University Hospital OWL of the University Bielefeld, campus Bielefeld-Bethel, Bielefeld, Germany. 2 Department of Internal Medicine and Gastroenterology, University Hospital OWL of the University Bielefeld, campus Bielefeld-Bethel, Bielefeld, Germany. 3 Department of General and Visceral Surgery, University Hospital OWL of the University Bielefeld, campus Bielefeld-Bethel, Bielefeld, Germany.…”