1. Division of General Internal Medicine, Department of Medicine, University of California San Francisco, San Francisco
2. San Francisco Veterans Affairs (VA) Medical Center, San Francisco, California
3. Department of Neurology, UCLA (University of California Los Angeles), Los Angeles
4. VA Greater Los Angeles Healthcare System, Los Angeles, California
5. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
6. Northern California Institute of Research and Education, San Francisco
7. University of Washington, Seattle
8. Puget Sound VA, Seattle, Washington
9. Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas
10. Department of Population, University of Texas Southwestern Medical Center, Dallas
11. Department of Data Science, University of Texas Southwestern Medical Center, Dallas
12. Department of Ophthalmology, University of California San Francisco, San Francisco
13. Department of Surgery, University of Nebraska, Omaha
14. Omaha VA Medical Center, Omaha, Nebraska
15. Biomedical Informatics, University of Utah, Salt Lake City
16. Salt Lake City VA Health Care System, Salt Lake City, Utah
17. Now with Department of Biostatistics, Epidemiology, & Informatics, University of Pennsylvania, Philadelphia
18. University of Melbourne, Melbourne, Victoria, Australia
19. Department of Medicine, Indiana University School of Medicine, Indianapolis
20. Department of Neurology, Indiana University School of Medicine, Indianapolis
21. Richard L. Roudebush VA Medical Center, Indianapolis, Indiana