About the Authors

Simone R. Caljouw

s.r.caljouw@umcg.nl

Affiliation Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands

Ruud van Wijck

Affiliation Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SC RW. Performed the experiments: SC RW. Analyzed the data: SC. Contributed reagents/materials/analysis tools: SC. Wrote the paper: SC RW.