title: Invited commentary.
authors.affiliation: Division of Cardiac Surgery, University Clinic of Surgery, MUG, PO Box 51, Auenbruggerplatz 29, Graz, A-8036 Austria. igor.knez@meduni-graz.at
authors.forename: Igor
authors.initials: I
authors.lastname: Knez
authors.forename: Bruno
authors.initials: B
authors.lastname: Rigler
mesh_terms: D016027:Heart Transplantation / Q000009:adverse effects*; D006801:Humans; D015994:Incidence; D009422:Nervous System Diseases / Q000453:epidemiology* / Q000209:etiology*; D012307:Risk Factors