Muscular Disorders, Atrophic

• Centre d'Investigation Clinique, Hôpital Cardiologique, CHR&U de Lille — Lille, France
• Service d'Hépato Gastro Entérologie, Hôpital Jeanne de Flandre, CHR&U de Lille — Lille, France
• Service de Neuropédiatrie, Hôpital Roger Salengro, CHR&U de Lille — Lille, France
• Centre d'Investigation Clinique (CIC9202), Hôpital Robert Debré, Assistance Publique-Hôpitaux de Paris — Paris, France

• Danderyd Hospital — Danderyd, Sweden
• Sahlgrenska University Hospital — Gothenburg, Sweden
• Huddinge University Hospital — Stockholm, Sweden
• Uppsala Academic Hospital — Uppsala, Sweden

Not specified

• Washington University School of Medicine — St Louis, Missouri, United States

Not specified

• Arkansas Children's Hospital — Little Rock, Arkansas, United States
• University of California, San Diego, Rady's Children's Hospital — La Jolla, California, United States
• UC Davis Medical Center — Sacramento, California, United States
• Lucille Packard Children's Hospital at Stanford — San Carlos, California, United States

• Children's Hospital of Eastern Ontario — Ottawa, Ontario, Canada

• Other locations - TBD — Dallas, Texas, United States
• Neurology Rare Disease Center — Flower Mound, Texas, United States

• Arkansas Children's Hospital — Little Rock, Arkansas, United States
• Arkansas Children's — Little Rock, Arkansas, United States
• UCLA Medical Center — Los Angeles, California, United States
• University of Florida — Gainesville, Florida, United States

• Virginia Commonwealth University — Richmond, Virginia, United States