title: Invited commentary.
authors.affiliation: Department of Cardiothoracic Surgery, Medical University of Vienna, Waehringer Guertel 18-20, Vienna, A-1090, Austria. paul.simon@univie.ac.at
authors.forename: Paul
authors.initials: P
authors.lastname: Simon
authors.forename: Marie-Theres
authors.initials: MT
authors.lastname: Kasimir
authors.forename: Erwin
authors.initials: E
authors.lastname: Rieder
authors.forename: Günter
authors.initials: G
authors.lastname: Weigel
mesh_terms: D020341:Absorbable Implants; D000818:Animals; D004285:Dogs; D009131:Muscle, Smooth, Vascular; D013552:Swine; D023822:Tissue Engineering / Q000379:methods*