1. Department of Epidemiology Gillings School of Global Public Health University of North Carolina at Chapel Hill NC
2. Department of Epidemiology Johns Hopkins University Baltimore MD
3. Department of Emergency Medicine University of North Carolina at Chapel Hill Chapel Hill NC
4. Department of Epidemiology and Biostatistics Milken Institute School of Public Health George Washington University Washington DC
5. Department of Radiology Mayo Clinic Rochester MN
6. Department of Neurology Mayo Clinic Rochester MN
7. National Heart, Lung, and Blood Institute Bethesda MD
8. Department of Medicine University of Mississippi Medical Center Jackson MS
9. Department of Kinesiology and Health Education University of Texas at Austin TX