title: Complications in colorectal surgery: risk factors and preventive strategies.
authors.affiliation: Department of Visceral and Transplantation Surgery, University Hospital of Zürich, Switzerland. dieter.hahnloser@usz.ch.
authors.forename: Philipp
authors.initials: P
authors.lastname: Kirchhoff
authors.forename: Pierre-Alain
authors.initials: PA
authors.lastname: Clavien
authors.forename: Dieter
authors.initials: D
authors.lastname: Hahnloser