@article{:/content/10.2807/esm.11.07.00640-es, author = "Struwe, J and Dumpis, U and Gulbinovic, J and Lagergren, Å and Bergman, U", title = "", journal = "", year = "", volume = "", number = "", eid = , pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esm.11.07.00640-es", doi = "https://doi.org/" }