About the Authors

Christina Bächle

Contributed equally to this work with: Christina Bächle, Andrea Icks, Reinhard W. Holl, Joachim Rosenbauer

christina.baechle@ddz.uni-duesseldorf.de

Affiliation Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Institute for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany

Andrea Icks

Contributed equally to this work with: Christina Bächle, Andrea Icks, Reinhard W. Holl, Joachim Rosenbauer

Affiliations Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Institute for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany, Department of Public Health, Faculty of Medicine, Heinrich-Heine-University, Düsseldorf, Germany

Klaus Straßburger

Affiliation Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Institute for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany

Marion Flechtner-Mors

Affiliation Institute of Epidemiology and Medical Biometry, University of Ulm, Ulm, Germany

Andreas Hungele

Affiliation Institute of Epidemiology and Medical Biometry, University of Ulm, Ulm, Germany

Peter Beyer

Affiliation Clinic for Children and Adolescents, Evangelisches Krankenhaus, Oberhausen, Germany

Kerstin Placzek

Affiliation Pediatric and Adolescent Medicine, University Hospital, Martin-Luther University, Halle, Germany

Ulrich Hermann

Affiliation Pediatric Diabetes Practice, Reutlingen, Germany

Andrea Schumacher

Affiliation Clinic for Child and Adolescent Medicine, Klinik am Eichert, Göppingen, Germany

Markus Freff

Affiliation Princess Margaret Children's Clinic, Darmstadt, Germany

Anna Stahl-Pehe

Affiliation Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Institute for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany

Reinhard W. Holl

Contributed equally to this work with: Christina Bächle, Andrea Icks, Reinhard W. Holl, Joachim Rosenbauer

Affiliation Institute of Epidemiology and Medical Biometry, University of Ulm, Ulm, Germany

Joachim Rosenbauer

Contributed equally to this work with: Christina Bächle, Andrea Icks, Reinhard W. Holl, Joachim Rosenbauer

Affiliation Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Institute for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany

on behalf of the DPV Initiative and the German BMBF Competence Network Diabetes Mellitus

Competing Interests

The DPV initiative is supported by a research grant from Novo Nordisk Germany. The grant supports the establishment and the further development of the DPV database. The authors' analysis was not financially supported by Novo Nordisk and is independent of any commercial funders. This fact does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CB AI JR. Analyzed the data: KS RWH JR. Contributed reagents/materials/analysis tools: MFM AH RWH. Wrote the paper: CB. Assisted in the analyses: CB. Contributed to the discussion: AI PB JR. Reviewed the manuscript: AI KS MFM PB MF UH KP AS ASP RWH JR.