1. Referral Centre for Neuromuscular Diseases and ALS; University Hospital La Timone; Marseille France
2. Aix-Marseille University; CNR2M, CNRS UMR 7286, Medicine Faculty; Marseille France
3. Regional Neuromuscular Clinic, Queen Elizabeth Hospital; University Hospitals of Birmingham; Birmingham UK
4. Centre de Référence Maladies Neuromusculaires de l'Enfant et de l'Adulte Nantes-Angers; Centre Hospitalier Universitaire d'Angers; Angers France
5. Inserm UMR S 910 Medical Genetics and Functional Genomics; Aix Marseille University; Marseille France
6. School of Life and Health Sciences, Aston Brain Centre; Aston University; Birmingham UK