About the Authors

Richard Carl Gerum

rgerum@biomed.uni-erlangen.de

Affiliation Department of Physics, University of Erlangen-Nuremberg, Erlangen, Germany

Ben Fabry

Affiliation Department of Physics, University of Erlangen-Nuremberg, Erlangen, Germany

Claus Metzner

Affiliation Department of Physics, University of Erlangen-Nuremberg, Erlangen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: RG CM. Wrote the paper: RG CM BF.