About the Authors

Alexander Sigruener

alexander.sigruener@ukr.de

Affiliation Institute for Laboratory Medicine and Transfusion Medicine, Regensburg University Medical Center, Regensburg, Germany

Marcus E. Kleber

Affiliation Medical Clinic V, Mannheim Medical Faculty, University of Heidelberg, Mannheim, Germany

Susanne Heimerl

Affiliation Institute for Laboratory Medicine and Transfusion Medicine, Regensburg University Medical Center, Regensburg, Germany

Gerhard Liebisch

Affiliation Institute for Laboratory Medicine and Transfusion Medicine, Regensburg University Medical Center, Regensburg, Germany

Gerd Schmitz

Affiliation Institute for Laboratory Medicine and Transfusion Medicine, Regensburg University Medical Center, Regensburg, Germany

Winfried Maerz

Affiliations Medical Clinic V, Mannheim Medical Faculty, University of Heidelberg, Mannheim, Germany, Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria, Synlab Academy, Synlab Services GmbH, Mannheim, Germany

Competing Interests

Co-author Winfried Maerz is employed by Synlab Services GmbH. 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: GS WM. Performed the experiments: GL. Analyzed the data: AS MEK SH GL GS WM. Contributed reagents/materials/analysis tools: GL GS WM. Wrote the paper: AS GS.