title: Reply by the Authors of the Original Article.
authors.affiliation: Department of Cardiac, Thoracic and Vascular Surgery, University Hospital Mainz, Mainz, Germany.
authors.forename: Markus K
authors.initials: MK
authors.lastname: Heinemann
authors.affiliation: Department of Cardiovascular Surgery, University Hospital Freiburg, Freiburg, Germany.
authors.forename: Friedhelm
authors.initials: F
authors.lastname: Beyersdorf