1. Neuromuscular Diseases Research Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Porter Neuroscience Research Center, Bethesda, Maryland
2. Institute of General Pathology, Catholic University, Rome, Italy
3. Institute of Neurology, Catholic University, Rome, Italy
4. Department of Neuroscience, Cisanello Hospital, University of Pisa, Pisa, Italy
5. Molecular Genetics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Porter Neuroscience Research Center, Bethesda, Maryland
6. Neuromuscular Diseases Research Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Porter Neuroscience Research Center, Bethesda, Maryland6Institute of Medical Genetics, Catholic University, Rome, Italy
7. Genomics Technology Group, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Porter Neuroscience Research Center, Bethesda, Maryland
8. Computational Biology Core, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Porter Neuroscience Research Center, Bethesda, Maryland
9. Neuromuscular Diseases Research Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Porter Neuroscience Research Center, Bethesda, Maryland9Rita Levi Montalcini Department of Neuroscience, University of Turin, Tu
10. Rita Levi Montalcini Department of Neuroscience, University of Turin, Turin, Italy
11. Molecular Genetics Unit, Department of Clinical Pathology, ASO OIRM-S Anna, Turin, Italy
12. Department of Neurology, Johns Hopkins School of Medicine, Baltimore, Maryland
13. Department of Neurology, University of Miami, Miami, Florida
14. Department of Neurology, University of Kansas Medical Center, Kansas City
15. Department of Neurology, University of Illinois College of Medicine, Chicago
16. Department of Neurology, Ohio State University Medical Center, Columbus
17. Department of Neurology, George Washington University, Washington, DC
18. Department of Neurology, Duke University Medical Center, Durham, North Carolina
19. Department of Neurology, University of North Carolina, Chapel Hill
20. Department of Clinical Neurosciences, London Health Sciences Centre, London, Ontario, Canada
21. Department of Neurology, Indiana University–Purdue University, Indianapolis
22. Department of Neurology, Washington University School of Medicine, St Louis, Missouri
23. Department of Medicine, University of Alberta Hospital, Edmonton, Alberta, Canada
24. Department of Neurology, University at Buffalo SMBS, State University of New York, Buffalo
25. Department of Neurology, University of California, Davis Medical Center
26. Division of Neurology, University of British Columbia, Vancouver, British Columbia, Canada
27. Neuromuscular Diseases Research Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Porter Neuroscience Research Center, Bethesda, Maryland11Department of Neurology, Johns Hopkins School of Medicine, Baltimore, M