About the Authors

Hojeong Kim

hojeong.kim03@gmail.com

Affiliations Division of Robotics Research, Daegu Gyeongbuk Institute of Science & Technology, Daegu, Korea, Department of Physiology, Northwestern University Feinberg School of Medicine, Chicago, United States of America

Kelvin E. Jones

Affiliation Centre for Neuroscience and Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Canada

C. J. Heckman

Affiliations Department of Physiology, Northwestern University Feinberg School of Medicine, Chicago, United States of America, Department of Physical Medicine and Rehabilitation, Northwestern University Feinberg School of Medicine, Chicago, United States of America, Department of Physical Therapy and Human Movement Science, Northwestern University Feinberg School of Medicine, Chicago, United States of America

Competing Interests

Kelvin E Jones, who is a co-author of this manuscript, is a PLOS ONE Editorial Board member. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: HK CJH KEJ. Performed the experiments: HK. Analyzed the data: HK CJH KEJ. Wrote the paper: HK CJH KEJ.