About the Authors

Chunguang Chen

Affiliation Medical Clinic and Policlinic 3, Justus-Liebig University Giessen, Giessen, Germany

Carina Kuehn

Affiliation Medical Clinic and Policlinic 3, Justus-Liebig University Giessen, Giessen, Germany

Reinhard G. Bretzel

Affiliation Medical Clinic and Policlinic 3, Justus-Liebig University Giessen, Giessen, Germany

Thomas Linn

thomas.linn@innere.med.uni-giessen.de

Affiliation Medical Clinic and Policlinic 3, Justus-Liebig University Giessen, Giessen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CC TL. Performed the experiments: CC CK. Analyzed the data: CC CK. Contributed reagents/materials/analysis tools: RGB TL. Wrote the paper: CC TL.