1. Department of Environment and Health (DAMSA); Istituto Superiore di Sanità; Rome Italy
2. Unit of Statistics; Istituto Superiore di Sanità; Rome Italy
3. Epidemiological and Statistical Unit; Azienda Sanitaria Locale Taranto; Taranto Italy
4. Apulia Region Environmental Protection Agency (ARPA PUGLIA); Bari Italy
5. Haemodialysis Service; Department of Surgery; Università Cattoloca del Sacro Cuore; Rome Italy