1. From the Department of Clinical Science and K.G. Jebsen Center for Autoimmune Disorders, University of Bergen (E.S.H., O.K.), and the Department of Medicine, Haukeland University Hospital (E.S.H.), Bergen, Norway; the Department of Medicine (Solna), Karolinska Institutet, Stockholm (E.S.H., O.K.); and the Diabetes Center and the Department of Medicine, University of California, San Francisco, San Francisco (M.S.A.).