1. Centre for Endocrinology, Diabetes and Metabolism (G.G.L., A.E.Z., L.L.G., B.H., N.S., P.G., K.S., M.S., S.A.M., J.W.T., E.A.W., H.E.R., P.M.S.), Birmingham B15 2TT, United Kingdom
2. Liver Laboratories (G.R.), School of Clinical and Experimental Medicine, University of Birmingham, Birmingham B15 2TT, United Kingdom