1. University of California, San Francisco; San Francisco California
2. University of Pennsylvania; Philadelphia Pennsylvania
3. Case Western Reserve University; Cleveland Ohio
4. University of California, Los Angeles; Los Angeles California
5. Tau Consortium; Rainwater Charitable Foundation; Fort Worth Texas
6. Mayo Clinic; Rochester Minnesota
7. U Washington; Seattle Washington
8. Harvard University/MGH; Boston Massachusetts
9. Association for Frontotemporal Degeneration; Radnor Pennsylvania
10. National Centralized Repository for Alzheimer's Disease and Related Disorders (NCRAD); Indiana University; Indianapolis Indiana
11. University of North Carolina; Chapel Hill North Carolina
12. Johns Hopkins University; Baltimore Maryland
13. University of Toronto; Toronto Ontario Canada
14. Washington University; St. Louis Missouri
15. Columbia University; New York New York
16. Mayo Clinic; Jacksonville Florida
17. Northwestern University; Chicago Illinois
18. University of British Columbia; Vancouver British Columbia Canada
19. The University of Texas; Southwestern Medical Center at Dallas; Dallas Texas
20. National Alzheimer Coordinating Center (NACC); University of Washington; Seattle Washington
21. University of California, San Diego; San Diego California
22. University of Alabama at Birmingham; Birmingham Alabama
23. Bluefield Project; San Francisco California
24. Laboratory of Neuroimaging (LONI); USC; Los Angeles California