[1] Ctr Esclerosis Multiple Buenos Aires, Buenos Aires, DF, Argentina
[2] Hosp Aleman, Buenos Aires, DF, Argentina
[3] Hosp Ramos Mejia, Buenos Aires, DF, Argentina
[4] Hosp Clin Buenos Aires, Buenos Aires, DF, Argentina
[5] Hosp Madariaga Posadas, Dept Neurol, Misiones, Argentina
[6] Predigma, Posadas, Argentina
[7] Hosp Militar Campo Mayo, Buenos Aires, DF, Argentina
[8] MS Sect Hosp Britanico Buenos Aires, Buenos Aires, DF, Argentina
[9] Hosp Carlos Durand, Buenos Aires, DF, Argentina
[10] Hosp Carlos G Durand, Serv Neurol, Buenos Aires, DF, Argentina
[11] Hosp Lagomaggiore, Dept Neurol, Mendoza, Argentina
[12] Hosp Espanol, Rosario, Santa Fe, Argentina
[13] Hosp San Bernardo, Dept Neurol, Salta, Argentina
[14] Hosp San Bernardo, Salta, Argentina
[15] Clin Pueyrredon Mar del Plata, Mar Del Plata, Buenos Aires, Argentina
[16] Hosp Univ Fdn Favaloro, Buenos Aires, DF, Argentina
[17] Hosp Britanico, Buenos Aires, DF, Argentina
[18] Ctr Integral Enfermedades Neurol & Neuroquirurg, Santiago Del Estero, Argentina
[19] Hosp Cordoba, Clin Univ Reina Fabiola, Cordoba, Argentina
[20] Clin Univ Reina SOfia, Cordoba, Argentina
[21] Hosp Espanol La Plata, La Plata, Buenos Aires, Argentina