1. Palm Beach Headache Center, West Palm Beach, Florida
2. Neurology Research Institute Palm Beach, West Palm Beach, Florida
3. Premiere Research Institute, West Palm Beach, Florida
4. Palm Beach Neurology, West Palm Beach, Florida
5. Nova Southeastern University, Fort Lauderdale, Florida
6. New England Institute for Neurology and Headache, Stamford, Connecticut
7. D. Tvildiani Medical University, Multiprofile Clinic Consilium Medulla, Tbilisi, Georgia
8. Department of Neurology, Georgetown University Hospital, Washington, DC
9. H. Lundbeck A/S, Copenhagen, Denmark
10. Lundbeck Seattle BioPharmaceuticals Inc, Bothell, Washington
11. Lundbeck La Jolla Research Center, San Diego, California