About the Authors

Ayellet V. Segrè

altshuler@molbio.mgh.harvard.edu (DA); asegre@broadinstitute.org (AVS)

Affiliations Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America, Center for Human Genetic Research, Massachusetts General Hospital, Boston, Massachusetts, United States of America, Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts, United States of America

DIAGRAM Consortium

Memberships of the consortia are provided in Text S1.

MAGIC investigators

Memberships of the consortia are provided in Text S1.

Leif Groop

Affiliation Department of Clinical Sciences, Diabetes and Endocrinology Research Unit, University Hospital Malmö, Lund University, Malmö, Sweden

Vamsi K. Mootha

Affiliations Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America, Center for Human Genetic Research, Massachusetts General Hospital, Boston, Massachusetts, United States of America, Department of Systems Biology, Harvard Medical School, Boston, Massachusetts, United States of America, Department of Medicine, Harvard Medical School, Boston, Massachusetts, United States of America

Mark J. Daly

Affiliations Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America, Center for Human Genetic Research, Massachusetts General Hospital, Boston, Massachusetts, United States of America, Department of Medicine, Harvard Medical School, Boston, Massachusetts, United States of America

David Altshuler

altshuler@molbio.mgh.harvard.edu (DA); asegre@broadinstitute.org (AVS)

Affiliations Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America, Center for Human Genetic Research, Massachusetts General Hospital, Boston, Massachusetts, United States of America, Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts, United States of America, Department of Medicine, Harvard Medical School, Boston, Massachusetts, United States of America, Diabetes Unit, Massachusetts General Hospital, Boston, Massachusetts, United States of America, Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AVS VKM MJD DA. Performed the experiments: AVS. Analyzed the data: AVS MJD DA. Contributed reagents/materials/analysis tools: AVS DIAGRAM Consortium MAGIC investigators LG VKM DA. Wrote the paper: AVS VKM MJD DA. Contributed the genome-wide association meta-analysis of type 2 diabetes: DIAGRAM Consortium. Contributed the genome-wide association meta-analyses of the glycemic traits: MAGIC investigators.