[1] UCL, NMR Res Unit, Queen Sq Multiple Sclerosis Ctr, Neuroinflammat, London, England
[2] Vanderbilt Univ, Med Ctr, Inst Imaging Sci, Nashville, TN USA
[3] Vanderbilt Univ, Med Ctr, Radiol & Radiol Sci, Nashville, TN USA
[4] Vanderbilt Univ, Med Ctr, Biomed Engn, Nashville, TN USA
[5] Vanderbilt Univ, Med Ctr, Neuroimaging Unit, Neuroimmunol Div,Dept Neurol, Nashville, TN USA
[6] VA Hosp, TN Valley Healthcare Ctr, Dept Neurol, Nashville, TN USA
[7] Univ Coll London Hosp, Biomed Res Ctr, Inst Hlth Res NIHR, London, England