@article{:/content/10.2807/esm.05.07.00014-es, author = "Pons, C and Pelayo, T and Pachon, I and Galmes, A and González, L and Sánchez, C and Martinez, F", title = "", journal = "", year = "", volume = "", number = "", eid = , pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esm.05.07.00014-es", doi = "https://doi.org/" }