1. Virginia Mason Neuroscience Institute; Seattle Washington USA
2. Veterans Affairs Puget Sound Health Care System; Seattle Washington USA
3. Department of Psychiatry and Behavioral Sciences; University of Washington School of Medicine; Seattle Washington USA
4. Lou Ruvo Center for Brain Health, Neurological Institute; Cleveland Clinic Cleveland Ohio USA
5. Department of Neurology; Mayo Clinic; Jacksonville Florida USA
6. Department of Neurology; University of Pennsylvania; Philadelphia Pennsylvania USA
7. Department of Psychiatry; University of Pennsylvania; Philadelphia Pennsylvania USA
8. Philadelphia Veterans Affairs Medical Center; Philadelphia Pennsylvania USA
9. Department of Pathology and Laboratory Medicine; University of Pennsylvania; Philadelphia Pennsylvania USA
10. Institute on Aging, University of Pennsylvania; Philadelphia Pennsylvania USA
11. Portland Veterans Affairs Medical Center; Portland Oregon USA
12. Department of Neurology; Oregon Health and Science University; Portland Oregon USA
13. Department of Neurology; Emory University School of Medicine; Atlanta Georgia USA
14. Department of Neurological Sciences; Rush University Medical Center; Chicago Illinois USA
15. Department of Epidemiology; School of Public Health, University of California Los Angeles; Los Angeles California USA
16. Department of Environmental Health Sciences; School of Public Health, University of California Los Angeles; Los Angeles California USA
17. Department of Neurology; School of Medicine, University of California Los Angeles; Los Angeles California USA
18. Department of Neurology and Rehabilitation Medicine; University of Cincinnati; Cincinnati Ohio USA
19. Department of Neurology; Johns Hopkins University School of Medicine; Baltimore Maryland USA
20. Neuroregeneration and Stem Cell Programs; Institute for Cell Engineering, Johns Hopkins University School of Medicine; Baltimore Maryland USA
21. Solomon H. Snyder Department of Neuroscience; Johns Hopkins University School of Medicine; Baltimore Maryland USA
22. Department of Neurology; University of Washington School of Medicine; Seattle Washington USA
23. Department of Pathology; University of Washington School of Medicine; Seattle Washington USA
24. Department of Epidemiology; School of Medicine, University of California Irvine; California USA