@article{:/content/10.2807/esm.03.04.00104-es, author = "Apitzsch, L and Rasch, Gernot and Kiehl, W", title = "", journal = "", year = "", volume = "", number = "", eid = , pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esm.03.04.00104-es", doi = "https://doi.org/" }