1 Department of Neurology, Instituto de Investigación Sanitaria Gregorio Marañón, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
2 Department of Cognitive Processes and Speech Therapy, School of Psychology, Experimental Psychology, Complutense University, Madrid, Spain.
3 Department of Neurology, Virgen Macarena Hospital, Seville, Spain.
4 Department of Neurology, Health Research Institute Foundation of Santiago de Compostela (FIDIS), University Clinical Hospital from Santiago de Compostela, Santiago de Compostela, Spain.
5 Neurology Service, Maimonides Institute for Research in Biomedicine of Cordoba, (IMIBIC), Reina Sofía University Hospital, Cordoba, Spain.
6 Department of Psychology, ACOAD Association, Pamplona, Spain.
7 Department of Neurorehabilitation, Hospital San Juan de Dios, Zaragoza, Spain.
8 Fundación Neurópolis, Zaragoza, Spain.
9 Department of Neurology, Dr. Josep Trueta University Hospital, Girona, Spain.
10 Department of Neurology, Consorci Sanitari Integral Moisés Broggi Hospital, Sant Joan Despí, Spain.
11 Department of Neuroimmunology, Biomedicine Research Institute of Lleida, Lleida, Spain.
12 Department of Neurology-Neuroimmunology, Multiple Sclerosis Centre of Catalonia, Hospital Universitari Vall d'Hebron, Barcelona, Spain.
13 Department of Neurosurgery, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain.
14 Department of Psychobiology and Methodology of Behavioral Sciences, University of Málaga, Málaga, Spain.
15 Department of Neurology, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain.
16 Department of Neurology, Hospital de Cruces, Bilbao, Spain.