1. Department of Neurology, Hospital Clinico San Carlos, Universidad Complutense, Madrid
2. Laboratory of Aesthesiology
3. Department of Physical Therapy, Hospital Universitario Fundación Alcorcón and Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain
4. Department of Neurology, Hospital Universitario Fundación Alcorcón and Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain