1. Department of Neurology, University of Utah School of Medicine, Salt Lake City, USA
2. George E. Wahlen Veterans Affairs Medical Center, Salt Lake City, USA
3. Department of Imaging Physics, The University of Texas M. D. Anderson Cancer Center, Houston, USA
4. Michael E. DeBakey Veterans Affairs Medical Center, Houston, USA
5. H. Baylor College of Medicine, Houston, USA
6. Brooke Army Medical Center, Fort Sam Houston, USA
7. Department of Radiology and Radiological Sciences, Uniformed Services University, Bethesda, USA
8. Department of Psychology, Brigham Young University, Provo, USA
9. Neuroscience Center, Brigham Young University, Provo, USA
10. Dementia Research Centre, Institute of Neurology, University College London, London, UK
11. Centre for Medical Image Computing, Department of Computer Science, University College London, London, UK
12. Minneapolis VA Health Care System, Minneapolis, USA
13. Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, USA
14. VA Portland Healthcare Center, Portland, USA
15. National Institutes of Health, National Institute of Nursing Research, Bethesda, USA
16. Center for Neuroscience and Regenerative Medicine (CNRM), UniFormed Services University, Bethesda, USA
17. Department of Neurology, Uniformed Services University, Bethesda, USA
18. National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, USA
19. Department of Medicine, University of Utah School of Medicine, Salt Lake City, USA
20. Information Decision-Enhancement and Analytic Sciences Center, VA Salt Lake City, Salt Lake City, USA
21. Hunter Holmes McGuire Veterans Affairs Medical Center, Richmond, USA
22. Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University, Richmond, USA
23. Alaska Radiology Associates, Anchorage, USA
24. Rehabilitation Medicine Department, National Institutes of Health Clinical Center, Bethesda, USA