1. Department of Neurological Sciences; Rush University Medical Center; Chicago; Illinois; U.S.A
2. Department of Clinical Neurology; St. George′s University; London; United Kingdom
3. School of Medicine and Health Sciences; George Washington University; Washington; District of Columbia; U.S.A
4. Center for Orphan Drug Research; University of Minnesota; Minneapolis; Minnesota; U.S.A
5. Berry Consulting Group; University of Central Florida College of Medicine; Orlando; Florida; U.S.A
6. Department of Public Health Sciences; Medical University of South Carolina; Charleston; South Carolina; U.S.A
7. Dreifuss Comprehensive Epilepsy Program; University of Virginia; Charlottesville; Virginia; U.S.A
8. Department of Emergency Medicine; University of Texas; Houston; Texas; U.S.A
9. Department of Neurology; University of California San Francisco; San Francisco; California; U.S.A
10. Montefiore Medical Center Albert Eintein School of Medicine; Bronx; New York; U.S.A
11. Department of Emergency Medicine; University of Michigan; Ann Arbor; Michigan; U.S.A
12. Barrow Neurological Institute; St. Joseph's Hospital & Medical Center; Phoenix; Arizona; U.S.A
13. Department of Neurology; Paracelsus Medical University; Salzburg; Austria
14. Departments of Neurology and Neuroscience; University of Virginia; Charlottesville; Virginia; U.S.A