1 1 Section of Pathological Anatomy, Polytechnic University of the Marche Region, School of Medicine, United Hospitals, Ancona, Italy.
2 2 Division of Oncology, Sant'Orsola-Malpighi Hospital, Bologna, Italy.
3 3 Department of Mechanical and Aerospace Engineering, University of California, Davis.
4 4 Department of Surgery, Cordoba University Medical School, Cordoba, Spain.
5 5 Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis.
6 6 Unit of Urology/Division of Oncology, Urological Research Institute, Instituto di Ricovero e Cura a Carattere Scientifico, Ospedale San Raffaele, Milan, Italy.