Novel loci and biomedical consequences of iron homoeostasis variation by Allara, E, Bell, S, Smith, R, Keene, SJ, Gill, D, Gaziano, L, Morselli Gysi, D, Wang, F, Tragante, V, Mason, A, Karthikeyan, S, Lumbers, RT, Bonglack, E, Ouwehand, W, Roberts, DJ, Dowsett, J, Ostrowski, SR, Larsen, MH, Ullum, H, Pedersen, OB, Brunak, S, Banasik, K, Erikstrup, C, Mitchell, J