Accepted for Publication: February 3, 2012.
Published Online: April 16, 2012. doi:10.1001/archneurol.2012.197
Author Contributions:Study concept and design: Goldenholz, Apperson, and Wheelock. Acquisition of data: Goldenholz, Bateman, Apperson, Oskarsson, and Akhtar. Analysis and interpretation of data: Wong, Bateman, and Apperson. Drafting of the manuscript: Goldenholz, Wong, and Apperson. Critical revision of the manuscript for important intellectual content: Goldenholz, Wong, Bateman, Apperson, Oskarsson, Akhtar, and Wheelock. Study supervision: Goldenholz, Bateman, Apperson, and Wheelock.
Financial Disclosure: Drs Goldenholz and Wong serve on the Neurology Resident and Fellow Section editorial team. Dr Bateman has received research support from Citizens United for Research in Epilepsy and Forest Laboratories. Dr Apperson has received salary support as a Sylvia Lawry Physician Fellow of the National Multiple Sclerosis Society. Dr Oskarsson serves as a speaker for Avanir Pharmaceuticals and receives research support from the National Institute of Neurological Disorders and Stroke, the Netherlands Institute for Health Sciences, and Biogen Idec. Dr Wheelock has received honorarium from the Huntington's Disease Society of America (HDSA) for co-authorship of A Physician's Guide to Huntington's Disease, an unrestricted educational grant for medical education symposium from Lundbeck Pharmaceuticals, grants TR1-01257-1 (co-investigator) and DR2-05415 (principal investigator) from the California Institute of Regenerative Medicine, grant support from HDSA for the HDSA Center of Excellence at the University of California–Davis, grant support from the Joseph P. Roberson Foundation for Huntington's Disease Program, and a gift from the Charles and Margaret Pue Charitable Foundation for Huntington's Disease Program.