About the Authors

Hannes Höppner

hannes.hoeppner@dlr.de

Affiliation Institute of Robotics and Mechatronics, German Aerospace Center, Wessling, Germany

Joseph McIntyre

Affiliation Centre d'Etudes de la Sensorimotricité, Centre National de la Recherche Scientifique and Université Paris Descartes, Paris, France

Patrick van der Smagt

Affiliation Faculty for Informatics, Technische Universität München, Munich, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HH JM PvdS. Performed the experiments: HH. Analyzed the data: HH JM PvdS. Contributed reagents/materials/analysis tools: HH JM PvdS. Wrote the paper: HH JM PvdS. Designed the software used in analysis: HH.