@article{:/content/10.2807/esm.11.05.00621-pt, author = "Torpdahl, M and Sørensen, G and Ethelberg, S and Sandø, G and Kammelgard, K and Jannok Porsbo, L", title = "", journal = "", year = "", volume = "", number = "", eid = , pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esm.11.05.00621-pt", doi = "https://doi.org/" }