1. Department of Neurology, Fundación Hospital Alcorcón and Rey Juan Carlos University
2. Department of Physical Therapy, Rey Juan Carlos University, Alcorcón, Madrid
3. Department of Neurology, Hospital Na Sa de Sonsoles, Ávila
4. Department of Anaesthesiology, Fundación Hospital Alcorcón and Rey Juan Carlos University
5. Department of Dermatology, Fundación Hospital Alcorcón, Alcorcón
6. Department of Neurology, Hospital Clínico San Carlos, Madrid, Spain