About the Authors

Ioanna Gouni-Berthold

Contributed equally to this work with: Ioanna Gouni-Berthold, Heiner K. Berthold, Joo Young Huh

ioanna.berthold@uni-koeln.de

Affiliation University of Cologne, Center for Endocrinology, Diabetes and Preventive Medicine, Cologne, Germany

Heiner K. Berthold

Contributed equally to this work with: Ioanna Gouni-Berthold, Heiner K. Berthold, Joo Young Huh

Affiliation Charité University Medicine Berlin, Evangelical Geriatrics Center Berlin (EGZB) and Virchow Clinic Campus, Lipid Clinic at the Interdisciplinary Metabolism Center, Berlin, Germany

Joo Young Huh

Contributed equally to this work with: Ioanna Gouni-Berthold, Heiner K. Berthold, Joo Young Huh

Affiliation Section of Endocrinology, Boston VA Healthcare System and Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

Reena Berman

Affiliation Section of Endocrinology, Boston VA Healthcare System and Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

Nadine Spenrath

Affiliation University of Cologne, Center for Endocrinology, Diabetes and Preventive Medicine, Cologne, Germany

Wilhelm Krone

Affiliation University of Cologne, Center for Endocrinology, Diabetes and Preventive Medicine, Cologne, Germany

Christos S. Mantzoros

Affiliation Section of Endocrinology, Boston VA Healthcare System and Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

The parent trial (1) was supported in part by an investigator-initiated grant from MSD Sharp & Dohme (Munich, Germany) and the Wilhelm-Doerenkamp Foundation (Cologne, Germany). Co-author Heiner K. Berthold is a PLOS ONE Editorial Board member. Ioanna Gouni-Berthold has received research grants from 28 Bayer Health Care and honoraria and travel expenses from Genzyme, MSD Sharp & Dohme, Novartis, Novo Nordisk, Pfizer, Ipsen, Bristol Myers Squibb, Amgen, and Otsuka. None of the other authors have relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: IGB HKB JYH CSM. Performed the experiments: IGB HKB JYH RB NS. Analyzed the data: IGB HKB JYH WK CSM. Wrote the paper: IGB HKB JYH RB NS WK CSM.