Spinal muscular atrophy: Further expanding the clinician's armamentarium

John F Brandsema¹, Charlotte J Sumner²

• ¹From the Department of Neurology (J.F.B.), Perelman School of Medicine at the University of Pennsylvania, Philadelphia; Neuromuscular Section (J.F.B.), Division of Neurology, Children's Hospital of Philadelphia, PA; and Neurology and Neuroscience (C.J.S.), The Johns Hopkins University School of Medicine, Baltimore, MD. brandsemaj@email.chop.edu.+1