[1] Cleveland Clin, Lou Ruvo Ctr Brain Hlth, Mellen Program MS, Las Vegas, NV USA
[2] Biogen, Cambridge, MA USA
[3] Cleveland Clin, Mellen Ctr, Cleveland, OH 44106 USA
[4] Johns Hopkins Univ, Sch Med, Dept Neurol, Baltimore, MD 21205 USA
[5] Univ Rochester, Med Ctr, Dept Neurol, Rochester, NY 14627 USA
[6] Univ Clin Carl Gustav Carus, Multiple Sclerosis Ctr, Dresden, Germany
[7] Univ Clin Carl Gustav Carus, Neuroimmunol Lab, Dresden, Germany