1. Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
2. Indiana University School of Medicine, Indianapolis, IN, USA
3. Section of Pathological Anatomy, Polytechnic University of the Marche Region, School of Medicine, United Hospitals, Ancona, Italy
4. Department of Pathology and the Department of Urology, Indiana University School of Medicine, Indianapolis, IN, USA