@article{:/content/10.2807/esm.09.06.00470-it, author = "Puro, V and Cicalini, S and De Carli, G and Soldani, F and Ippolito, G", title = "", journal = "", year = "", volume = "", number = "", eid = , pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esm.09.06.00470-it", doi = "https://doi.org/" }