- Correspondence to: Dr Francesc Miralles Servei de Neurologia, Hospital Universitari Son Dureta, C/. Andrea Doria 55, 07014 Palma de Mallorca, Spain;
- Received February 5, 2004
- Accepted January 12, 2005
- Revised January 10, 2005
- First published August 16, 2005.
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