@article{:/content/10.2807/esm.06.07.00228-it, author = "Correia, A M and Gonçalves, G and Reis, J and Cruz, J M and Castro e Freitas, J A", title = "", journal = "", year = "", volume = "", number = "", eid = , pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esm.06.07.00228-it", doi = "https://doi.org/" }