1. INTEGRARE, Genethon, Inserm, Univ Evry, Université Paris-Saclay, 91002 Evry, France.
2. Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy.
3. University Pierre and Marie Curie Paris 6 and INSERM U974, Paris, France.
4. Biochemical Genetics Laboratory, Duke University Health System, Durham, NC 27710, USA.
5. Departments of Pediatrics and Genetics, Stanford University, Stanford, CA 94305, USA.
6. Paris-Est Neuromuscular Center, Pitié-Salpêtrière Hospital and Raymond Poincaré Teaching Hospital, Garches, APHP, Paris, France.
7. Division of Medical Genetics, Department of Pediatrics and Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA.