1. Med Univ of South Carolina, Charleston, SC
2. Emory Univ, Atlanta, GA
3. Neurology, Washington Univ in St. Louis, St Louis, MO
4. The Univ of Tennessee Health Science Cntr, Memphis, TN
5. Chonnam National Univ Hosp, Kwangju, Korea, Republic of
6. Mount Sinai Health System, New York, NY
7. Universitätsmedizin Göttingen, Göttingen, Germany
8. West Virginia Univ, Morgantown, WV
9. Neurology, Washington Univ in St Louis, Charleston, SC
10. Wake Forest Baptist Health, Winston-Salem, NC
11. Univ of Arizona, Tucson, AZ
12. Baylor College of Medicine, Houston, TX
13. Univ of Miami Health System, Miami, FL