From the Departments of Neurology and Neurosurgery, University of Florida Center for Movement Disorders and Neurorestoration, Gainesville.
Address reprint requests to Dr. Okun at 3450 Hull Rd., 4th Fl., Gainesville, FL 32607, or at [email protected].
Dr. Okun reports receiving consulting fees on behalf of himself and his institution from the National Parkinson Foundation, grant support from the Michael J. Fox Foundation and the National Parkinson Foundation, and support from Prime and PeerView Press for educational presentations.
Disclosure forms provided by the authors are available with the full text of this article at NEJM.org.
