1. Department of Medicine, Huddinge, Karolinska Institute (I.D., M.K., K.W., E.A.N., L.B., P.A.), SE-14186 Stockholm, Sweden
2. Department of Medicine, Umea University Hospital (T.O., J.A.), SE-90187 Umea, Sweden
3. Oxford Center for Diabetes, Endocrinology, and Metabolism, Churchill Hospital (G.D.T., A.S.T.B.), Oxford OX3 7LJ, United Kingdom
4. Biovitrum AB (A.S., M.F., A.A.), SE-11276 Stockholm, Sweden