1 From Queen Square MS Centre (A.T.T.), Department of Neuroinflammation, UCL Institute of Neurology, University College London, UK; John L. Trotter Multiple Sclerosis Center (R.T.N.), Department of Neurology, School of Medicine, Washington University in St. Louis, MO; and Center of Neuroimmunology (P.V.), Institut D'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. a.toosy@ucl.ac.uk.
2 From Queen Square MS Centre (A.T.T.), Department of Neuroinflammation, UCL Institute of Neurology, University College London, UK; John L. Trotter Multiple Sclerosis Center (R.T.N.), Department of Neurology, School of Medicine, Washington University in St. Louis, MO; and Center of Neuroimmunology (P.V.), Institut D'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.