title: Reply.
authors.affiliation: Department of Thoracic and Cardiovascular Surgery, CHU Dijon Bocage Hospital, 14 rue Gaffarel, BP 77908 21079 Dijon, France. Electronic address: pierrebenoit.pages@chu-dijon.fr.
authors.forename: Pierre-Benoit
authors.initials: PB
authors.lastname: Pagès
authors.affiliation: Department of Thoracic and Cardiovascular Surgery, CHU Dijon Bocage Hospital, 14 rue Gaffarel, BP 77908 21079 Dijon, France.
authors.forename: Alain
authors.initials: A
authors.lastname: Bernard