1. Immunology Laboratory, CHU Timone AP-HM , Marseille , France
2. Referral Centre for Neuromuscular Diseases and ALS, CHU Timone , Marseille , France
3. Department of Neurology and Neuropsychology , CHU Timone, AP-HM and UMR 7249, CNRS, Centrale Marseille, Institut Fresnel, AMU , Marseille , France
4. Department of Neurology , CHU Timone, APHM, Marseille, and CRMBM/UMR CNRS 7339, AMU , Marseille , France
5. AMU, Institut de Neurosciences des Systèmes (INS, UMR1106) , Marseille , France