1. Operative Unit of Hygiene and Public Health of Forlì-Cesena, Department of Public Health, Romagna Local Health Authority, 47521 Cesena, Italy
2. Nursing Unit, Primary Care and Community Medicine Department of Forlì-Cesena, Romagna Local Health Authority, 47521 Cesena, Italy
3. Primary Care and Community Medicine Department of Forlì-Cesena, Romagna Local Health Authority, 47121 Forlì, Italy
4. Nursing Unit, Primary Care and Community Medicine Department of Forlì-Cesena, Romagna Local Health Authority, 47121 Forlì, Italy
5. Rubicone Health District, Romagna Local Health Authority, 47522 Cesena, Italy
6. Hygiene Unit, Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy