1. Department of Neurology University of Pennsylvania Perelman School of Medicine Philadelphia PA USA
2. Department of Neurology Leonard M. Miller School of Medicine University of Miami Miami FL USA
3. Center for Applied Bioinformatics St. Jude Children’s Research Hospital Memphis TN USA
4. Department of Pathology & Laboratory Medicine University of Pennsylvania Perelman School of Medicine Philadelphia PA USA
5. Department of Neurology University of Kansas Medical Center Kansas City KS USA
6. Department of Neurology University of Virginia Health System Charlottesville VA USA
7. Department of Neurosciences University of California San Diego San Diego CA USA
8. Department of Neurology University of Iowa Iowa City IA USA
9. Forbes Norris ALS CenterCalifornia Pacific Medical Center San Francisco CA USA
10. Department of Neurology Cleveland Clinic Cleveland OH USA
11. Department of Neurology University of Texas Health Science Center San Antonio TX USA
12. Department of Neurology Wake Forest University School of Medicine Winston‐Salem NC USA
13. Department of Neurology Stanford University Medical Center San Jose CA USA
14. Department of Neurology University of Minnesota Medical Center Minneapolis MN USA
15. Penn Image Computing Science Laboratory (PICSL) Department of Radiology University of Pennsylvania Perelman School of Medicine Philadelphia PA USA
16. Department of Biostatistics, Epidemiology, and Informatics University of Pennsylvania Perelman School of Medicine Philadelphia PA USA
17. Penn Neurodegeneration Genomics Center Department of Pathology and Laboratory Medicine University of Pennsylvania Perelman School of Medicine Philadelphia PA USA
18. Department of Neuroscience Mayo Clinic Jacksonville FL USA
19. The Howard Hughes Medical InstituteChevy Chase MS USA