[1] Kessler Fdn, 120 Eagle Rock Ave,Suite 100, E Hanover, NJ 07936 USA
[2] Rutgers New Jersey Med Sch, Dept Phys Med & Rehabil, Newark, NJ 07103 USA
[3] Univ Florence, Dept NEUROFARBA, Sect Neurosci, Largo Brambilla 3, I-50134 Florence, Italy
[4] IRCCS Fdn Don Carlo Gnocchi, Florence, Italy
[5] Italian Multiple Sclerosis Fdn FISM, Sci Res Area, Via Operai 40, I-16149 Genoa, Italy
[6] Italian Multiple Sclerosis Soc, AISM Rehabil Serv, Genoa, Italy
[7] UCL, Fac Brain Sci, Queen Sq Multiple Sclerosis Ctr, Dept Neuroinflammat,UCL Queen Sq Inst Neurol, London WC1B 5EH, England
[8] Univ Coll London Hosp, Biomed Res Ctr, Natl Inst Hlth Res, London, England
[9] Aarhus Univ, Dept Publ Hlth, Exercise Biol, Dalgas Ave 4, DK-8000 Aarhus, Denmark
[10] Univ Toronto, Dept Psychiat, Toronto, ON M5R 3B6, Canada
[11] Sunnybrook Hlth Sci Ctr, Toronto, ON M5R 3B6, Canada
[12] Hasselt Univ, Fac Rehabil Sci, REVAL, Diepenbeek, Belgium
[13] Univ Vita Salute San Raffaele, Div Neurosci, Neuroimaging Res Unit, Inst Expt Neurol,IRCSS San Raffaele Sci Inst, Via Olgettina 60, I-20132 Milan, Italy
[14] IRCSS San Raffaele Sci Inst, Neurol Unit, Milan, Italy
[15] IRCSS San Raffaele Sci Inst, Neurophysiol Unit, Milan, Italy
[16] Univ Vita Salute San Raffaele, Milan, Italy
[17] Univ Plymouth, Fac Hlth, Sch Hlth Profess, Plymouth, Devon, England
[18] Univ Genoa, Dept Neurosci Rehabil Ophthalmol Genet Maternal &, Genoa, Italy
[19] Univ Genoa, Ctr Excellence Biomed Res, Genoa, Italy
[20] IRCCS, Osped Policlin San Martino, Genoa, Italy
[21] Univ Alabama Birmingham, Dept Phys Therapy, Birmingham, AL USA
[22] Washington Univ, Sch Med, Div Biostat, St Louis, MO USA
[23] Univ Alabama Birmingham, Dept Biostat, Birmingham, AL USA