Catalina Márquez-Martín, Neurology’s Department, Specialty Hospital, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
Ricardo J. García-Bermúdez, Neurology’s Department, Specialty Hospital, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
Brenda Bertado-Cortés, Multiple Sclerosis Clinic, Department of Neurology, Centro Médico Nacional Siglo XXI (National Medical Center Specialty Hospital XXI Century), México City, Mexico