{{Cite journal| doi = 10.1038/s41598-017-13189-3| issn = 2045-2322 (Electronic) 2045-2322 (Linking)| volume = 7| issue = 1| pages = 13230| last1 = Maddock| first1 = J.| last2 = Zhou| first2 = A.| last3 = Cavadino| first3 = A.| last4 = Kuzma| first4 = E.| last5 = Bao| first5 = Y.| last6 = Smart| first6 = M. C.| last7 = Saum| first7 = K. U.| last8 = Schottker| first8 = B.| last9 = Engmann| first9 = J.| last10 = Kjaergaard| first10 = M.| last11 = Karhunen| first11 = V.| last12 = Zhan| first12 = Y.| last13 = Lehtimaki| first13 = T.| last14 = Rovio| first14 = S. P.| last15 = Byberg| first15 = L.| last16 = Lahti| first16 = J.| last17 = Marques-Vidal| first17 = P.| last18 = Sen| first18 = A.| last19 = Perna| first19 = L.| last20 = Schirmer| first20 = H.| last21 = Singh-Manoux| first21 = A.| last22 = Auvinen| first22 = J.| last23 = Hutri-Kahonen| first23 = N.| last24 = Kahonen| first24 = M.| last25 = Kilander| first25 = L.| last26 = Raikkonen| first26 = K.| last27 = Melhus| first27 = H.| last28 = Ingelsson| first28 = E.| last29 = Guessous| first29 = I.| last30 = Petrovic| first30 = K. E.| last31 = Schmidt| first31 = H.| last32 = Schmidt| first32 = R.| last33 = Vollenweider| first33 = P.| last34 = Lind| first34 = L.| last35 = Eriksson| first35 = J. G.| last36 = Michaelsson| first36 = K.| last37 = Raitakari| first37 = O. T.| last38 = Hagg| first38 = S.| last39 = Pedersen| first39 = N. L.| last40 = Herzig| first40 = K. H.| last41 = Jarvelin| first41 = M. R.| last42 = Veijola| first42 = J.| last43 = Kivimaki| first43 = M.| last44 = Jorde| first44 = R.| last45 = Brenner| first45 = H.| last46 = Kumari| first46 = M.| last47 = Power| first47 = C.| last48 = Llewellyn| first48 = D. J.| last49 = Hypponen| first49 = E.| title = Vitamin D and cognitive function: A Mendelian randomisation study| journal = Sci Rep| date = 2017-10-19| pmid = 29038561}}