About the Authors

Alexandra M. Greiner

Affiliation Department of Cell- and Neurobiology, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany

Hao Chen

Affiliation Department of Cell- and Neurobiology, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany

Joachim P. Spatz

Affiliations Department of New Materials and Biosystems, Max Planck Institute for Intelligent Systems, Stuttgart, Germany, Department of Biophysical Chemistry, University of Heidelberg, Heidelberg, Germany

Ralf Kemkemer

ralf.kemkemer@is.mpg.de

Affiliations Department of New Materials and Biosystems, Max Planck Institute for Intelligent Systems, Stuttgart, Germany, Department of Applied Chemistry, Reutlingen University, Reutlingen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AMG JPS RK. Performed the experiments: AMG. Analyzed the data: AMG HC RK. Contributed reagents/materials/analysis tools: JPS RK. Wrote the paper: AMG RK.