- Correspondence to Dr J H Veldink, Department of Neurology, G03.228, Rudolf Magnus Institute of Neuroscience, University Medical Centre Utrecht, PO Box 85500, Utrecht 3508 GA, The Netherlands;
- Received December 5, 2012
- Revised January 23, 2013
- Accepted January 29, 2013
- First published February 16, 2013.
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