About the Authors

Albina Nowak

Contributed equally to this work with: Albina Nowak, Björn Friedrich

albina.nowak@usz.ch

Affiliation Division of Internal Medicine, University Hospital Zürich, Zürich, Switzerland

Björn Friedrich

Contributed equally to this work with: Albina Nowak, Björn Friedrich

Affiliations Department of Internal Medicine, Division of Endocrinology, Diabetology, Vascular Disease, Nephrology and Clinical Chemistry, University of Tübingen, Tübingen, Germany, Dialysis center Leonberg, Leonberg, Germany

Ferruh Artunc

Affiliation Department of Internal Medicine, Division of Endocrinology, Diabetology, Vascular Disease, Nephrology and Clinical Chemistry, University of Tübingen, Tübingen, Germany

Andreas L. Serra

Affiliation Division of Nephrology, University Hospital Zürich, Zürich, Switzerland

Tobias Breidthardt

Affiliation Division of Nephrology, University Hospital Basel, Basel, Switzerland

Raphael Twerenbold

Affiliation Division of Cardiology, University Hospital Basel, Basel, Switzerland

Myriam Peter

Affiliation Division of Cardiology, University Hospital Basel, Basel, Switzerland

Christian Mueller

Affiliation Division of Cardiology, University Hospital Basel, Basel, Switzerland

Competing Interests

The authors declare that TECOmedical AG, Switzerland measured the soluble Klotho and FGF23 levels in their hemodialysis cohort for this study. The authors of this manuscript have no commercial or professional association with TECOmedical AG. They have nothing to declare concerning employment, consultancy, patents, products in development, marketed products, etc. This does not alter the authors’ adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: AN BF FA CM. Performed the experiments: BF FA. Analyzed the data: AN AS. Contributed reagents/materials/analysis tools: AN BF FA TB RT MP. Wrote the paper: AN.