@article{:/content/10.2807/esm.01.04.00159-es, author = "Ramsay, M E and Brown, D W and Appleton, H and Megson, B and Polynikis, A and Papantoniou, L and Eleftheriou, A", title = "", journal = "", year = "", volume = "", number = "", eid = , pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esm.01.04.00159-es", doi = "https://doi.org/" }