- Correspondence to: Dr M Ariza Departament de Psiquiatria i Psicobiologia Clínica, Universitat de Barcelona, Passeig de la Vall d’Hebron, 171, 08035 Barcelona, Spain;
- Received November 29, 2005
- Accepted April 1, 2006
- Revised March 29, 2006
- First published April 13, 2006.
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