About the Authors

Oliver Stoller

stoller.oliver@gmail.com

Affiliation Institute for Rehabilitation and Performance Technology, Division of Mechanical Engineering, Department of Engineering and Information Technology, Bern University of Applied Sciences, Burgdorf, Switzerland

Matthias Schindelholz

Affiliation Institute for Rehabilitation and Performance Technology, Division of Mechanical Engineering, Department of Engineering and Information Technology, Bern University of Applied Sciences, Burgdorf, Switzerland

Kenneth J. Hunt

Affiliation Institute for Rehabilitation and Performance Technology, Division of Mechanical Engineering, Department of Engineering and Information Technology, Bern University of Applied Sciences, Burgdorf, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: OS MS KH. Performed the experiments: OS MS KH. Analyzed the data: OS MS KH. Contributed reagents/materials/analysis tools: OS MS KH. Wrote the paper: OS MS KH.