About the Authors

Joerg Latus

Contributed equally to this work with: Joerg Latus, Sayed M. Habib

Affiliation Department of Internal Medicine, Division of Nephrology, Robert-Bosch-Hospital, Stuttgart, Germany

Sayed M. Habib

Contributed equally to this work with: Joerg Latus, Sayed M. Habib

Affiliation Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus Medical Center, Rotterdam, The Netherlands

Daniel Kitterer

Affiliation Department of Internal Medicine, Division of Nephrology, Robert-Bosch-Hospital, Stuttgart, Germany

Mario R. Korte

Affiliation Department of Internal Medicine, Division of Nephrology, Albert Schweitzer Hospital, Dordrecht, The Netherlands

Christoph Ulmer

Affiliation Department of General, Visceral and Trauma Surgery, Robert-Bosch-Hospital, Stuttgart, Germany

Peter Fritz

Affiliation Department of Diagnostic Medicine, Division of Pathology, Robert-Bosch Hospital, Stuttgart, Germany

Simon Davies

Affiliation Institute for Science and Technology in Medicine, Keele University, Keele, United Kingdom

Mark Lambie

Affiliation Department of Nephrology, University Hospital of North Staffordshire, Stoke-on-Trent, United Kingdom

M. Dominik Alscher

Affiliation Department of Internal Medicine, Division of Nephrology, Robert-Bosch-Hospital, Stuttgart, Germany

Michiel G. H. Betjes

These authors are joint senior authors on this work.

Affiliation Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus Medical Center, Rotterdam, The Netherlands

Stephan Segerer

These authors are joint senior authors on this work.

Affiliation Division of Nephrology, University Hospital, Zurich, Switzerland

Niko Braun

Niko.braun@rbk.de

These authors are joint senior authors on this work.

Affiliation Department of Internal Medicine, Division of Nephrology, Robert-Bosch-Hospital, Stuttgart, Germany

on behalf of the European EPS study group

Membership of the European EPS study group is provided in the Acknowledgments.

Competing Interests

The EPS-study group is supported by Baxter. Baxter did not fund this study. There are no patents, products in development or marketed products to declare. 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: JL SS MB DK NB MDA PF. Performed the experiments: JL SS MB DK NB MDA PF CU SMH. Analyzed the data: JL SS MB DK NB MDA PF CU MK SD ML SMH. Contributed reagents/materials/analysis tools: JL SS MB DK NB MDA PF CU MK SD ML SMH. Wrote the paper: JL SS MB DK NB MDA PF CU MK SD ML SMH.