About the Authors

Veronika Bierbaum

bierbaum@mpikg.mpg.de

Affiliation Theory and Bio-Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany

Reinhard Lipowsky

Affiliation Theory and Bio-Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: VB RL. Wrote the paper: VB RL.