[1
]
From the Multiple Sclerosis International Federation (P.B., D.C., C.A.), London, UK;
University of British Columbia (H.T.), Vancouver, Canada; Department of Non-Communicable
Disease Epidemiology (C.B.), London School of Hygiene and Tropical Medicine, London,
UK; Menzies Research Institute Tasmania (B.V.T.), University of Tasmania, Hobart,
Australia; and Faculty of Brain Sciences (A.J.T.), University College London and National
Hospital for Neurology and Neurosurgery, Queen Square, London, UK.
[2
]
From the Multiple Sclerosis International Federation (P.B., D.C., C.A.), London, UK;
University of British Columbia (H.T.), Vancouver, Canada; Department of Non-Communicable
Disease Epidemiology (C.B.), London School of Hygiene and Tropical Medicine, London,
UK; Menzies Research Institute Tasmania (B.V.T.), University of Tasmania, Hobart,
Australia; and Faculty of Brain Sciences (A.J.T.), University College London and National
Hospital for Neurology and Neurosurgery, Queen Square, London, UK. alan.thompson@ucl.ac.uk.