1. Urology/Urological Sonography Secondary Care Clinic, Azienda Ospedaliera Istituti Clinici di Perfezionamento, Milan, Italy
2. Clinic for Urology, Pediatric Urology and Andrology, Justus-Liebig-University, Giessen, Germany
3. Laboratory of Toxicology and Pharmacology, Department of Structural and Functional Biology, Università degli Studi dell'Insubria, Busto Arsizio, Italy
4. Technical University, Munich, Germany