About the Authors

Sarah J. Moum

Affiliations Department of Neurology, Center for Movement Disorders & Neurorestoration, University of Florida, Gainesville, Florida, United States of America, Department of Neurosurgery, Center for Movement Disorders & Neurorestoration, University of Florida, Gainesville, Florida, United States of America

Catherine C. Price

Affiliation Deparatment of Clinical and Health Psychology, Center for Movement Disorders & Neurorestoration, University of Florida, Gainesville, Florida, United States of America

Natlada Limotai

Affiliations Department of Neurology, Center for Movement Disorders & Neurorestoration, University of Florida, Gainesville, Florida, United States of America, Chulalongkorn Comprehensive Movement Disorders Center, Chulalongkorn University Hospital & Thai Red Cross Society, Bangkok, Thailand

Genko Oyama

Affiliation Department of Neurology, Center for Movement Disorders & Neurorestoration, University of Florida, Gainesville, Florida, United States of America

Herbert Ward

Affiliations Department of Neurology, Center for Movement Disorders & Neurorestoration, University of Florida, Gainesville, Florida, United States of America, Department of Psychiatry, Center for Movement Disorders & Neurorestoration, University of Florida, Gainesville, Florida, United States of America

Charles Jacobson

Affiliation Department of Neurology, Center for Movement Disorders & Neurorestoration, University of Florida, Gainesville, Florida, United States of America

Kelly D. Foote

Affiliations Department of Neurology, Center for Movement Disorders & Neurorestoration, University of Florida, Gainesville, Florida, United States of America, Department of Neurosurgery, Center for Movement Disorders & Neurorestoration, University of Florida, Gainesville, Florida, United States of America

Michael S. Okun

okun@neurology.ufl.edu

Affiliations Department of Neurology, Center for Movement Disorders & Neurorestoration, University of Florida, Gainesville, Florida, United States of America, Department of Neurosurgery, Center for Movement Disorders & Neurorestoration, University of Florida, Gainesville, Florida, United States of America

Competing Interests

MO serves as a consultant for the National Parkinson Foundation, and has received research grants from National Institutes of Health (NIH), National Parkinson Foundation, the Michael J. Fox Foundation, the Parkinson Alliance, Smallwood Foundation, and the University of Florida Foundation. MO currently receives no support >24 months from industry. MO has received royalties for publications with Demos, Manson, and Cambridge (movement disorders books). MO has participated in CME activities on movement disorders sponsored by the University of South Florida CME office, PeerView, and by Vanderbilt University. The institution and not the PI receives grants from Medtronic and ANS/St. Jude, and the PI has no financial interest in these grants. MO has participated as a site PI and/or co-PI for several NIH, foundation, and industry sponsored trials over the years but has not received honoraria. 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: MO KF SM. Performed the experiments: SM NL GO HW MO. Analyzed the data: CP SM MO KF. Contributed reagents/materials/analysis tools: CJ. Wrote the paper: SM MO CP KF NL GO HW CJ.