1. Neuromuscular and Rare Disease Centre Department of Neuroscience Mental Health and Sensory Organs (NESMOS) Sapienza University of RomeSant'Andrea Hospital Rome Italy
2. UOC Neurologia Fondazione Policlinico Universitario ‘A. Gemelli’ IRCCS Rome Italy
3. Department of Neurosciences Facoltà di Medicina e Chirurgia Università Cattolica del Sacro Cuore Rome Italy
4. Neuromuscular Disorders Unit, Neurology Department, Universitat Autònoma de Barcelona, Hospital de la Santa Creu I Sant Pau Barcelona Spain
5. Department of Radiology Istituto Dermopatico dell'ImmacolataIRCCS Rome Italy
6. Neurology Unit San Camillo‐Forlanini Hospital Rome Italy
7. Neurology Unit San Filippo Neri Hospital Rome Italy
8. IRCCS Istituto Neurologico Mediterraneo (INM) Neuromed Pozzilli Italy
9. Department of Biostatistics University of Alabama at Birmingham Birmingham Alabama USA
10. John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute Newcastle UniversityNewcastle Hospitals NHS Foundation Trust Newcastle upon Tyne UK
11. Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER) Barcelona Spain