title: Useful information, but still more open questions than answers.
authors.affiliation: Department for Cardiovascular Surgery, University Hospital and University of Bern, Bern, Switzerland. Electronic address: thierry.carrel@insel.ch.
authors.forename: Thierry
authors.initials: T
authors.lastname: Carrel
mesh_terms: D006801:Humans; D020407:Internet; D007902:Length of Stay; D009862:Online Systems; D011184:Postoperative Period