- Correspondence to Dr Corey T McMillan, Department of Neurology, Perelman School of Medicine, Frontotemporal Degeneration Center, University of Pennsylvania, 3400 Spruce Street, 3 West Gates, Philadelphia, PA 19104, USA;
- Received October 23, 2012
- Revised January 21, 2013
- Accepted February 5, 2013
- First published March 9, 2013.
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