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Ilangkovan N, Mickley H, Diederichsen A, Lassen A, Sørensen TL, Sheta HM, Stæhr PB, Mogensen CB.Ilangkovan N, et al. Among authors: sheta hm.BMJ Open. 2017 Dec 22;7(12):e018636. doi: 10.1136/bmjopen-2017-018636.BMJ Open. 2017.PMID: 29275346Free PMC article.