@article{:/content/10.2807/esm.03.05.00116-pt, author = "Hamers, F F", title = "", journal = "", year = "", volume = "", number = "", eid = , pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esm.03.05.00116-pt", doi = "https://doi.org/" }