1. Section of Pediatric Urology, Urology Unit, University Hospital of Padova, Padua, Italy
2. Pathology Department, University Hospital of Padova, Padua, Italy
3. Radiotherapy Division, Istituto Oncologico Veneto, Padua, Italy
4. Hematology/Oncology Division, Woman's and Child's Health Department, University Hospital of Padova, Padua, Italy