1. Diabetes Center (G.M.K., I.W.V., M.J.H., H.K., C.M.O., M.S.G., M.T.M.);, University of California, San Francisco, California 94143
2. Division of Endocrinology and Metabolism, Department of Medicine (G.M.K., M.S.G.);, University of California, San Francisco, California 94143
3. Graduate School of Medical Science and Engineering (H.K., C.M.O.), KAIST, Daejeon, South Korea
4. Department of Microbiology and Immunology (M.T.M.), University of California, San Francisco, California 94143;