1 Department of Urology, University of Modena and Reggio Emilia, Modena, Italy.
2 Department of Pathology, Ospedale Policlinico e Nuovo Ospedale Civile S.Agostino Estense Modena, University of Modena and Reggio Emilia, Modena, Italy.
3 Department of Pathological Anatomy, School of Medicine, United Hospitals, Polytechnic University of the Marche Region, Ancona, Italy.
4 Department of Surgical, Medical, Dental and Morphological Sciences with Interest transplant, Oncological and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy.
5 Department of Urology, Faculty of Medicine, Tanta University, Tanta, Egypt.
6 Department of Urology, University College Hospital London, London, UK.
7 Division of Surgery and Interventional Science, University College London Medical School, London, UK.
8 Department of Dermatology, University of Modena and Reggio Emilia, Modena, Italy.