Ataxia

• Department of Neurology, Medical University, Innsbruck — Innsbruck, Austria
• Université Libre de Bruxelles (ULB), Neurology Service - ULB Hôpital Erasme, ULB Laboratory of Experimental Neurology — Brussels, Belgium
• Hôpital de la Pitié-Salpêtrière, Département de Génétique — Paris, France
• Department of Neurology, St. Josef Hospital, University Hospital of Bochum — Bochum, Germany

Not specified

• Johns Hopkins University — Baltimore, Maryland, United States
• Massachusetts General Hospital — Boston, Massachusetts, United States
• The University of Texas Health (UT Health) — Houston, Texas, United States
• Medical University of Innsbruck — Innsbruck, Austria

Not specified

• The University of Hong Kong — Hong Kong, China

Not specified

Not specified

• Inönü University Faculty of Dentistry, Department of Periodontology — Malatya, Turkey (Türkiye)

• University of California Los Angeles (UCLA), Ataxia Center and HD Center of excellence — Los Angeles, California, United States
• The Johns Hopkins Hospital, Division of pediatric allergy and immunology — Baltimore, Maryland, United States
• Cincinnati Children's Hospital, Division of neurology — Cincinnati, Ohio, United States
• UT Health Houston, Department of pediatrics, division of child & adolescent neurology — Houston, Texas, United States

• CHU de Nîmes — Nîmes, France