About the Authors

Vera Demberg

vera@coli.uni-saarland.de

Affiliation Cluster of Excellence MMCI, Saarland University, Saarbrücken, Germany

Asad Sayeed

Affiliation Cluster of Excellence MMCI, Saarland University, Saarbrücken, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VD AS. Analyzed the data: VD. Contributed reagents/materials/analysis tools: AS. Wrote the paper: VD AS.