1. Unity of Infectious Diseases, Department of Medical Sciences, School of Medicine, University of Turin, Amedeo di Savoia Hospital, 10149 Turin, Italy
2. Division of Urology, Department of Oncology, School of Medicine, University of Turin, San Luigi Gonzaga Hospital, 10043 Orbassano, Italy
3. Division of Pediatric Urology, Regina Margherita Hospital, 10126 Turin, Italy
4. Unity of Infectious Diseases, Department of Pediatrics, University of Turin, Regina Margherita Hospital, 10126 Turin, Italy