Blepharospasm

• University of Colorado Denver — Aurora, Colorado, United States
• Emory University — Atlanta, Georgia, United States
• Rush University — Chicago, Illinois, United States
• Johns Hopkins University — Baltimore, Maryland, United States

Not specified

• San Francisco Veterans Administration Medical Center — San Francisco, California, United States
• University of California, San Francisco — San Francisco, California, United States

Not specified

• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States

• National Institute of Neurological Disorders and Stroke (NINDS), 9000 Rockville — Bethesda, Maryland, United States

• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States

• Colonia Roma Z.P., Mexico
• Wakefield, United Kingdom

• Site #001052 — Cullman, Alabama, United States
• Scottsdale, Arizona, United States
• Site # 001974 — Tucson, Arizona, United States
• Site #001046 — Encinitas, California, United States

• Toronto, Ontario, Canada