Heredodegenerative Disorders, Nervous System

• Stanford Neuromuscular Research — San Carlos, California, United States
• University of Florida Clinical Research Center — Gainesville, Florida, United States
• University of Kansas Medical Center — Fairway, Kansas, United States
• Boston Children's Hospital — Boston, Massachusetts, United States

• Hospital Británico de Buenos Aires — Buenos Aires, Argentina
• Hospital Italiano de Buenos Aires (HIBA) — Buenos Aires, Argentina
• Hospital El Cruce — San Juan Bautista, Argentina
• Hospital das Clinicas da Universidade Estadual de Campinas (UNICAMP) — Campinas, Brazil

• University of Calgary — Calgary, Alberta, Canada
• Ottawa Hospital Research Institute — Ottawa, Ontario, Canada
• CIUSSS du Saguenay-Lac-Saint-Jean — Saguenay, Canada

• University Of Exeter — Exeter, Devon, United Kingdom

• Federal State-Funded Healthcare Institution Central Clinical Hospital of the Russian Academy of Sciences (Research Institute of Pediatrics and Child Health Protection of the Central Clinical Hospital of the Russian Academy of Sciences) — Moscow, Russia
• Federal State Budgetary Educational Institution of Higher Education "St. Petersburg State Pediatric Medical University" of the Ministry of Health of the Russian Federation — Saint Petersburg, Russia
• V.I. Vernadsky Crimean Federal University — Simferopol, Russia
• State Budgetary Healthcare Institution Republican Medical Genetic Center — Ufa, Russia

• Emory University/ Wesley Woods Health Center — Atlanta, Georgia, United States
• University of Cincinnati — Cincinnati, Ohio, United States
• Portland VA Medical Center — Portland, Oregon, United States
• VA Puget Sound Health Care System — Seattle, Washington, United States

• Wesley Research Institute — Auchenflower, Australia
• Neuroscience Clinical Trials Unit, Alfred Brain — Melbourne, Australia
• Universitaire Ziekenhuizen Leuven - Campus Gasthuisberg - Pulmonology — Leuven, Belgium
• Altasciences Montreal — Montreal, Canada

Not specified

• UCI Center for Clinical Research — Irvine, California, United States
• Stanford University — Palo Alto, California, United States
• Rare Disease Research — Atlanta, Georgia, United States
• University of Kansas Medical Center — Fairway, Kansas, United States

• University of California Los Angeles — Los Angeles, California, United States
• Stanford University — Palo Alto, California, United States
• University of Colorado — Denver, Colorado, United States
• University of Florida — Gainesville, Florida, United States