1. Institute of Molecular Medicine (E.L., A.M.M.), School of Medicine, Trinity College, Dublin, Ireland
2. Northern Ireland Centre for Food and Health (H.M., M.W., L.H., E.M., J.M.W.W., E.C., J.J.S.), University of Ulster, Coleraine, Londonderry BT52 1SA, Northern Ireland
3. Department of Clinical Biochemistry (M.H.), St James's Hospital, Dublin, Ireland
4. The Mercers Institute for Research on Ageing (M.C.C., C.C.), St James's Hospital, Dublin, Ireland