About the Authors

Anne D. Kloos

Contributed equally to this work with: Anne D. Kloos, Deborah A. Kegelmeyer

Affiliation Division of Physical Therapy, The Ohio State College of Medicine, The Ohio State University, Columbus, Ohio, United States of America

Deborah A. Kegelmeyer

Contributed equally to this work with: Anne D. Kloos, Deborah A. Kegelmeyer

kegelmeyer.1@osu.edu.

Affiliation Division of Physical Therapy, The Ohio State College of Medicine, The Ohio State University, Columbus, Ohio, United States of America

Susan E. White

Affiliation Division of Health Information Management and Systems, The Ohio State College of Medicine, The Ohio State University, Columbus Ohio, United States of America

Sandra K. Kostyk

Affiliations Department of Neurology, The Ohio State College of Medicine, The Ohio State University, Columbus Ohio, United States of America, Department of Neuroscience, The Ohio State College of Medicine, The Ohio State University, Columbus, Ohio, United States of America

Competing Interests

Presently ADK, DAK, and SKK are funded for an ongoing study by the Lundbeck Inc. This is separate from the assistive device study. Dr. Kloos has received research support from the Huntington Study Group, the Huntington's Society of Canada, and Lundbeck, Inc. Dr. Kegelmeyer has received research support from the Huntington Study Group, the Huntington's Society of Canada, The Institute for Optimal Aging and Lundbeck, Inc. Dr. White reports no disclosures. Dr. Kostyk receives research support from the Huntington Study Group (HSG), the Parkinson Study Group (PSG), the Huntington's Society of Canada, National Institutes of Health/National Institute Neurologic Disorders and Stroke, Novartis, Neurologix, Inc. and Lundbeck, Inc. and has received travel reimbursement and honoraria from the FDA Office of Orphan Products Development Grant Program. These sources funded other projects and current projects but not the assistive device study. 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: ADK DAK. Performed the experiments: ADK DAK SKK. Analyzed the data: ADK DAK SEW SKK. Contributed reagents/materials/analysis tools: ADK DAK SEW. Wrote the paper: ADK DAK SEW SKK.