About the Authors

Heike Gangel

Contributed equally to this work with: Heike Gangel, Christof Hepp, Stephanie Müller

Affiliation Department of Physics, University of Cologne, Cologne, Germany

Christof Hepp

Contributed equally to this work with: Heike Gangel, Christof Hepp, Stephanie Müller

Affiliation Department of Physics, University of Cologne, Cologne, Germany

Stephanie Müller

Contributed equally to this work with: Heike Gangel, Christof Hepp, Stephanie Müller

Affiliation Department of Physics, University of Cologne, Cologne, Germany

Enno R. Oldewurtel

Affiliation Department of Physics, University of Cologne, Cologne, Germany

Finn Erik Aas

Affiliation Department of Biosciences, University of Oslo, Oslo, Norway

Michael Koomey

Affiliation Department of Biosciences, University of Oslo, Oslo, Norway

Berenike Maier

berenike.maier@uni-koeln.de

Affiliation Department of Physics, University of Cologne, Cologne, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HG CH SM ERO BM. Performed the experiments: HG CH SM. Analyzed the data: HG CH SM ERO. Contributed reagents/materials/analysis tools: FEA MK. Wrote the paper: HG CH SM ERO FEA MK BM.