About the Authors

Markus Ringnér

To whom correspondence should be addressed. E-mail: markus@thep.lu.se

Affiliation Complex Systems Division, Department of Theoretical Physics, Lund University, Lund, Sweden

Morten Krogh

Affiliation Complex Systems Division, Department of Theoretical Physics, Lund University, Lund, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

MR and MK conceived and designed the experiments, performed the experiments, analyzed the data, and wrote the paper.