Department of Neurosciences (MNLN, AvdW, JF, MC, OBW), Monash University, Melbourne, Australia; and Departments of Neurology (MNLN, AvdW, OBW) and Neuro-Ophthalmology (MNLN, AvdW, OBW), Alfred Health, Melbourne, Australia.

Address correspondence to Minh N. L. Nguyen, MBBS, BBSc, Department of Neurosciences, Level 6, Alfred Centre, 99 Commercial Road, Melbourne, VIC 3004, Australia; E-mail: [email protected]

M. N. L. Nguyen's research is supported by a Monash Graduate Scholarship and by a Women in Neurology Fellowship grant.

M. N. L. Nguyen reports no conflicts of interest. A. van der Walt served on advisory boards and receives unrestricted research grants from Novartis, Biogen, Merck, and Roche. She has received speaker's honoraria and travel support from Novartis, Roche, and Merck. She receives grant support from the National Health and Medical Research Council of Australia and MS Research Australia. J. Fielding receives funding from Genzyme and Biogen and has received honorarium from Novartis. M. Clough, and O. B. White reports no conflicts of interest.

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