1. Departments of Pediatric Nephrology
2. Nuclear Medicine
3. Pediatrics
4. Oderzo
5. Epidemiology Unit
6. Castelfranco Veneto
7. Bologna
8. Mestre-Venezia
9. Soave
10. Bolzano
11. Ravenna
12. Piove di Sacco-Chioggia
13. Verona-Borgo Trento
14. Bentivoglio
15. General Practitioner, San Donà di Piave-Venezia, Italy
16. Pediatric Emergency Department, Azienda Ospedaliera-University of Padua, Italy; Pediatric Unit
17. Thiene, Italy