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