Government of the United States of America - Neurodegenerative Diseases Research Unit, Government of the United States of America - Neurodegenerative Diseases Research Unit, Government of the United States of America - Neurodegenerative Diseases Research Unit, Government of the United States of America - Neuromuscular Diseases Research Section, Government of the United States of America - Neuromuscular Diseases Research Section, Government of the United States of America - Neurodegenerative Diseases Research Unit, Government of the United States of America - Neuromuscular Diseases Research Section, Imperial College London - Neuropathology Unit, Imperial College London - Neuropathology Unit, King’s College London - Institute of Psychiatry, Psychology and Neuroscience, King’s College London - Institute of Psychiatry, Psychology and Neuroscience, University of California, Irvine - Department of Pathology, Indiana University - Department of Pathology, Oregon Health and Science University - Department of Pathology, Johns Hopkins University - Department of Medicine, Government of the United States of America - Neuromuscular Diseases Research Section, Johns Hopkins University - Department of Neurology, Johns Hopkins University - Department of Pathology, State University of New York (SUNY) - Department of Pathology and Anatomical Sciences, Banner Health - Civin Laboratory for Neuropathology, Banner Health - Civin Laboratory for Neuropathology, Johns Hopkins University - Sidney Kimmel Comprehensive Cancer Center and National Institute of Neurological Disorders and Stroke - Neurodegenerative Diseases Research Unit