a Department of Neurology and Department of Rehabilitation Medicine , NYU School of Medicine , New York , USA. b NYU Steinhardt, Department of Occupational Therapy , New York University , New York , USA. c Department of Community Medicine and Rehabilitation , Umeå University , Sweden. d Department of Rehabilitation Medicine, Division of Physical Therapy , Emory University , Atlanta , Georgia , USA. e Health Sciences Library , University of Colorado Anschutz Medical Campus , Aurora , Colorado , USA. f Center of Innovation for Complex Chronic Healthcare , Edward Hines Jr., VA Hospital , Hines , Illinois , USA. g Department of Occupational Therapy, School of Health and Rehabilitation Services , University of Pittsburgh , Pittsburgh , Pennsylvania , USA. h Neurology , Oregon Health & Science University , Portland , Oregon , USA. i Department of Neurology, Division of Multiple Sclerosis , University of Colorado School of Medicine , Aurora , Colorado , USA. j Department of Rehabilitation Medicine , University of Washington , Seattle , Washington , USA. k School of Rehabilitation Sciences , McMaster University , Hamilton , Ontario , USA. l Department of Physical Medicine and Rehabilitation , University of Colorado Anschutz Medical Campus , Aurora , Colorado , USA.