1. EMG and Neuropathic Pain Unit Department of Neurology Hospital Clínic Barcelona Catalonia Spain
2. Department of Neurology and Neurophysiology Hospital del Mar Barcelona Catalonia Spain
3. Fellow Master Hospital Clinic University of Barcelona Barcelona Catalonia Spain
4. Department of Radiology, Rehabilitation and Physiotherapy School of Medicine Complutense University of Madrid Madrid Spain
5. Institut d’Investigació Biomedica August Pi Sunyer IDIBAPS Barcelona Catalonia Spain
6. Department of Medicine School of Medicine and Health Sciences University of Barcelona Barcelona Catalonia Spain