Migraine Disorders

• Birmingham VA Medical Center, Birmingham, AL — Birmingham, Alabama, United States
• VA Connecticut Healthcare System West Haven Campus, West Haven, CT — West Haven, Connecticut, United States
• Richard L. Roudebush VA Medical Center, Indianapolis, IN — Indianapolis, Indiana, United States
• VA North Texas Health Care System Dallas VA Medical Center, Dallas, TX — Dallas, Texas, United States

• Rehabilitation and Neurological Services LLC — Huntsville, Alabama, United States
• Elite Clinical Studies LLC — Phoenix, Arizona, United States
• Neurology Center of North Orange County — Fullerton, California, United States
• The Neurology Group — Pomona, California, United States

• Clinical Trial Center — Pavia, Italy

• GAIA — Hamburg, Germany

• MDFirst Research — Chandler, Arizona, United States
• Elite Clinical Studies, LLC — Phoenix, Arizona, United States
• Arizona Neuroscience Research — Phoenix, Arizona, United States
• Clinical Research Consortium Arizona — Tempe, Arizona, United States

Not specified

Not specified

• Danish Headache Center — Glostrup Municipality, Denmark

Not specified

Not specified