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Aagaard SK, Larsen A, Andreasen MF, Lesnikova I, Telving R, Vestergaard AL, Tørring N, Uldbjerg N, Bor P.Aagaard SK, et al. Among authors: vestergaard al.BMJ Open. 2018 Mar 3;8(3):e018390. doi: 10.1136/bmjopen-2017-018390.BMJ Open. 2018.PMID: 29502084Free PMC article.