[1] Complejo Hosp Univ A Coruna, CHUAC, La Coruna, Spain
[2] Complejo Hosp Univ Ferrol, CHUF, La Coruna, Spain
[3] Univ Seville, Hosp Univ Virgen Rocio, Serv Neurol & Neurofisiol Clin, Unidad Trastornos Movimiento,Inst Biomed Sevilla,C, Seville, Spain
[4] CIBERNED Ctr Invest Biomed Red Enfermedades Neurod, Madrid, Spain
[5] Hosp Clin Barcelona, Barcelona, Spain
[6] Ctr Neurol Oms 42, Palma De Mallorca, Spain
[7] Hosp Moises Broggi, Consorci Sanitari Integral, Barcelona, Spain
[8] Hosp Univ Son Espases, Palma De Mallorca, Spain
[9] Hosp Univ Marques Valdecilla IDIVAL, Santander, Spain
[10] Hosp Gen Hosp, Consorci Sanit Integral, Barcelona, Spain
[11] Vithas Madrid La Milagrosa Univ Hosp, Vithas Hosp Grp, Inst Neurosci, Neurol Dept, Madrid, Spain
[12] Fdn Hosp Alcorcon, Madrid, Spain
[13] Hosp Tortosa Verge La Cinta HTVC, Tortosa, Tarragona, Spain
[14] Hosp Univ Canarias, Santa Cruz De Tenerife, Spain
[15] Hosp Univ Ramon Y Cajal, IRYCIS, Madrid, Spain
[16] Hosp Univ Puerta Hierro, Madrid, Spain
[17] Complejo Hosp Univ Vigo CHUVI, Hosp Alvaro Cunqueiro, Vigo, Spain
[18] Complejo Hosp Toledo, Toledo, Spain
[19] Univ Maryland, Sch Med, College Pk, MD USA
[20] Complejo Hosp Univ A Coruna CHUAC, Hosp Univ A Coruna HUAC, Dept Neurol, C As Xubias 84, La Coruna 15006, Spain