1. Department of Neurology, Emory University School of Medicine, Atlanta, Georgia.
2. Department of Psychiatry, University of Michigan, Ann Arbor, Michigan.
3. School of Nursing, Emory University School of Medicine, Atlanta, Georgia.
4. Department of Emergency Medicine, University of Michigan Medical School, Ann Arbor, Michigan.
5. Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina.
6. Department of Physical Medicine & Rehabilitation, Baylor College of Medicine, Houston, Texas.
7. Department of Emergency Medicine, Emory University School of Medicine, Atlanta, Georgia.