From the Division of Experimental Medicine and Immunotherapeutics, University of Cambridge, United Kingdom (V.S., K.M.M-P., A.K.G., C.M.M., I.B.W.); MRC Human Nutrition Unit, Cambridge, United Kingdom (L.P., S.F.A.B.); NIHR Cambridge Biomedical Research Centre, Core Biochemical Assay Laboratory, United Kingdom (K.B.); and William Harvey Research Institute, Queen Mary University of London, United Kingdom (M.J.B.). (At 2017-11)