About the Authors

Jakob Bohr

jabo@nanotech.dtu.dk

Affiliation Department of Micro and Nanotechnology, Technical University of Denmark, Kongens Lyngby, Denmark

Steen Markvorsen

Affiliation Department of Applied Mathematics and Computer Science, Technical University of Denmark, Kongens Lyngby, Denmark

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the paper: JB SM. Conceived and performed the research: JB SM.