About the Authors

Daniel Mellem

Affiliations Center for Free-Electron Laser Science (CFEL), University of Hamburg, Hamburg, Germany, Beiersdorf AG, Applied Biophysics, Hamburg, Germany

Frank Fischer

frank.fischer@beiersdorf.com

Affiliation Beiersdorf AG, Applied Biophysics, Hamburg, Germany

Sören Jaspers

Affiliation Beiersdorf AG, Applied Biophysics, Hamburg, Germany

Horst Wenck

Affiliation Beiersdorf AG, Applied Biophysics, Hamburg, Germany

Michael Rübhausen

Affiliation Center for Free-Electron Laser Science (CFEL), University of Hamburg, Hamburg, Germany

Competing Interests

The authors have the following interests: Daniel Mellem, Frank Fischer, Sören Jaspers, and Horst Wenck are employed by Beiersdorf AG. There are no patents, products in development or marketed products to declare. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: DM. Performed the experiments: DM. Analyzed the data: DM FF MR SJ HW. Contributed reagents/materials/analysis tools: DM. Wrote the paper: DM FF MR. Designed the model: DM FF MR. Wrote corresponding code in Java: DM.