title: Reply.
authors.affiliation: Department of Cardiothoracic Surgery, Weill Cornell Medical College, 525 E 68th St, New York, NY10065. Electronic address: mfg9004@med.cornell.edu.
authors.forename: Mario
authors.initials: M
authors.lastname: Gaudino
authors.affiliation: Department of Cardiothoracic Surgery, Weill Cornell Medical College, 525 E 68th St, New York, NY10065.
authors.forename: Massimo
authors.initials: M
authors.lastname: Massetti