About the Authors

Chunxiu Hu

Contributed equally to this work with: Chunxiu Hu, Miriam Hoene

Affiliation CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China

Miriam Hoene

Contributed equally to this work with: Chunxiu Hu, Miriam Hoene

Affiliations Division of Endocrinology, Diabetology, Angiology, Nephrology, Pathobiochemistry and Clinical Chemistry, Department of Internal Medicine, University Hospital of Tuebingen, Tuebingen, Germany, Paul Langerhans Institute Tuebingen, Member of the German Center for Diabetes Research (DZD), Tuebingen, Germany

Xinjie Zhao

Affiliation CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China

Hans U. Häring

Affiliations Division of Endocrinology, Diabetology, Angiology, Nephrology, Pathobiochemistry and Clinical Chemistry, Department of Internal Medicine, University Hospital of Tuebingen, Tuebingen, Germany, Paul Langerhans Institute Tuebingen, Member of the German Center for Diabetes Research (DZD), Tuebingen, Germany

Erwin Schleicher

Affiliations Division of Endocrinology, Diabetology, Angiology, Nephrology, Pathobiochemistry and Clinical Chemistry, Department of Internal Medicine, University Hospital of Tuebingen, Tuebingen, Germany, Paul Langerhans Institute Tuebingen, Member of the German Center for Diabetes Research (DZD), Tuebingen, Germany

Rainer Lehmann

Affiliations Division of Endocrinology, Diabetology, Angiology, Nephrology, Pathobiochemistry and Clinical Chemistry, Department of Internal Medicine, University Hospital of Tuebingen, Tuebingen, Germany, Paul Langerhans Institute Tuebingen, Member of the German Center for Diabetes Research (DZD), Tuebingen, Germany

Xianlin Han

Affiliation Division of Bioorganic Chemistry and Molecular Pharmacology, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, United States of America

Guowang Xu

xugw@dicp.ac.cn (GW); Cora.Weigert@med.uni-tuebingen.de (CW)

Affiliation CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China

Cora Weigert

xugw@dicp.ac.cn (GW); Cora.Weigert@med.uni-tuebingen.de (CW)

Affiliations Division of Endocrinology, Diabetology, Angiology, Nephrology, Pathobiochemistry and Clinical Chemistry, Department of Internal Medicine, University Hospital of Tuebingen, Tuebingen, Germany, Paul Langerhans Institute Tuebingen, Member of the German Center for Diabetes Research (DZD), Tuebingen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CH MH RL CW. Performed the experiments: CH MH XZ. Analyzed the data: CH MH XZ XH GX CW. Contributed reagents/materials/analysis tools: HUH ES GX. Wrote the paper: CH RL XH GX CW.