Oh, Jiwona,∗; Vidal-Jordana, Angelab,∗; Montalban, Xaviera,b
aDivision of Neurology, Department of Medicine, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
bCentre d’Esclerosi MĂºltiple de Catalunya (Cemcat), Servei de Neurologia-Neuroinmunologia, Hospital Universitari Vall d’Hebron, Universitat AutĂ²noma de Barcelona, Spain
Correspondence to Xavier Montalban, MD, PhD, 30 Bond Street, Shuter 3-046, Toronto, ON M5B1W8, Canada. E-mail: [email protected]