title: Authors' reply.
authors.affiliation: Department of Biomedical Sciences and Human Oncology, Section of General Surgery, University Medical School of Bari, Policlinico, Piazza G. Cesare 11, 70124 Bari, Italy.
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Piccinni
authors.forename: Andrea
authors.initials: A
authors.lastname: Sciusco
authors.forename: Angela
authors.initials: A
authors.lastname: Gurrado
authors.forename: Germana
authors.initials: G
authors.lastname: Lissidini
authors.forename: Mario
authors.initials: M
authors.lastname: Testini