1. School of Medicine UT Health San Antonio Long School of Medicine San Antonio Texas USA
2. Department of Neurology Stanford University Palo Alto California USA
3. Neurology Montefiore Headache Center, Albert Einstein College of Medicine Bronx New York USA
4. Neurology Mayo Clinic Scottsdale Arizona USA
5. Neurology Weill Cornell Medicine New York New York USA
6. Neurology Thomas Jefferson University Philadelphia Pennsylvania USA
7. Neurology Northwell Health New Hyde Park New York USA
8. Neurology/Headache North Shore LIJ Medical Center Great Neck New York USA