1. Department of Neurology (JM, LZ, GTL, SJB, AGH), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Division of Neuromuscular Medicine (ACG), Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston; Department of Ophthalmology (GTL, AGH); Division of Thoracic Surgery (SS), Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia; Department of Neurology (GIW), Jacobs School of Medicine and Biomedical Sciences,...