- Correspondence to Professor J Jankovic, Parkinson’s Disease Center, and Movement Disorders Clinic, Baylor College of Medicine, Department of Neurology, The Smith Tower, Suite 1801, 6550 Fannin, Houston, TX 77030, USA;
- Received June 4, 2009
- Revised August 14, 2009
- Accepted August 17, 2009
- First published September 1, 2009.
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