Affiliation: | 1. Department of Biomedical Sciences, Hygiene Section, University of Bari, Apulia Regional Epidemiological Observatory, Bari, Italy;2. Department of Medical Sciences, Hygiene Section, University of Foggia, Apulia Regional Epidemiological Observatory, Viale L. Pinto Ospedali Riuniti di Foggia, 71100 Foggia, Italy |