1. Stroke Program, Department of Neurology, Veterans Affairs Center for Clinical Management and Research; Ann Arbor Veterans Affairs Healthcare System; Ann Arbor MI
2. Department of Emergency Medicine, University of Michigan Medical School, Veterans Affairs Center for Clinical Management and Research; Ann Arbor Veterans Affairs Healthcare System; Ann Arbor MI
3. Department of Epidemiology, Veterans Affairs Center for Clinical Management and Research; Ann Arbor Veterans Affairs Healthcare System; Ann Arbor MI
4. Department of Biostatistics, University of Michigan School of Public Health, Veterans Affairs Center for Clinical Management and Research; Ann Arbor Veterans Affairs Healthcare System; Ann Arbor MI
5. Department of Veterans Affairs, Veterans Affairs Center for Clinical Management and Research; Ann Arbor Veterans Affairs Healthcare System; Ann Arbor MI