Predictors of maternal 25(OH)-vitamin D response to antenatal vitamin D supplementation: results from the MAVIDOS trial - Harvey, N; Moon, R; D'Angelo, S; Crozier, S; Inskip, H; Schoenmakers, I; Bishop, N; Kennedy, S; Papageorghiou, A; Fraser, R; Gandhi, S; Prentice, A; et al. (Springer, 2016)