[1] CHUAC Complejo Hospitalario Univ A Coruna, La Coruna, Spain
[2] CHUF Complejo Hospitalario Univ Ferrol, La Coruna, Spain
[3] Complejo Asistencial Univ Burgos, Burgos, Spain
[4] Hosp Univ Canarias, Santa Cruz De Tenerife, CA, Spain
[5] Hosp Univ Ramon & Cajal, IRYCIS, Madrid, Spain
[6] Hosp Univ Puerta Hierro, Madrid, Spain
[7] Complejo Hospitalario Univ Vigo CHUVI, Hosp Alvaro Cunqueiro, Vigo, Spain
[8] Complejo Hospitalario Toledo, Toledo, Spain
[9] Complejo Hospitalario Navarra, Pamplona, Spain
[10] Hosp Sant Pau, Barcelona, Spain
[11] Hosp Univ Cent Asturias, Oviedo, Spain
[12] Complejo Hospitalario Univ Pontevedra CHOP, Pontevedra, Spain
[13] Hosp Univ Donostia, San Sebastian, Spain
[14] Hosp Arnau Vilanova, Valencia, Spain
[15] Hosp Ruber Internac, Madrid, Spain
[16] Hosp Cabuenes, Gijon, Spain
[17] Hosp Univ Lucus Augusti HULA, Lugo, Spain
[18] Hosp Rey Juan Carlos, Madrid, Spain
[19] CIBERNED Centro Invest Biomed Red Enfermedade, Madrid, Spain
[20] Univ Seville, Hosp Univ Virgen Rocio,CSIC, Serv Neurol & Neurofisiol Clinica,Inst Biomed Sev, Unidad Trastornos Movimiento, Seville, Spain
[21] COPPADIS Study Grp, Seville, Spain