Brenda Bertado-Cortés, Multiple Sclerosis Clinic, Department of Neurology, Centro Médico Nacional Siglo XXI (National Medical Center Specialty Hospital XXI Century), México City, Mexico
Anahí Castro, Multiple Sclerosis Clinic, Department of Neurology, Centro Médico Nacional Siglo XXI (National Medical Center Specialty Hospital XXI Century), México City, Mexico
Daniel Rubio, Multiple Sclerosis Clinic, Department of Neurology, Centro Médico Nacional Siglo XXI (National Medical Center Specialty Hospital XXI Century), México City, Mexicoç