1. South Texas Veterans Health Care System (VERDICT); San Antonio Texas
2. Department of Epidemiology and Biostatistics; University of Texas Health Science Center San Antonio; San Antonio Texas
3. Central Texas Veterans Health Care System; Temple Texas
4. Center for Applied Health Research; Scott and White Healthcare; Temple Texas
5. Center for Health Quality, Outcomes and Economic Research; Edith Nourse Rogers Memorial Hospital; Bedford Massachusetts
6. Department of General Medicine; University of Texas Health Science Center San Antonio; San Antonio Texas
7. Division of General Internal Medicine; South Texas Veterans Health Care System; San Antonio Texas
8. Department of Neurology; University of Pittsburgh and Veterans Affairs Pittsburgh Healthcare System; Pittsburgh Pennsylvania
9. Carl R. Darnall Army Medical Center; Fort Hood Texas
10. Yale University School of Medicine; New Haven Connecticut
11. Epilepsy Therapy Project; Houston Texas