1. Institute of Myology Neuromuscular Investigation Center, Neuromuscular Physiology and Evaluation Laboratory Paris France
2. Institute of Myology Neuromuscular Investigation Center, NMR Laboratory Paris France
3. CEA, DRF, IBFJ, MIRCen, NMR Laboratory Paris France
4. Department of Internal Medicine and Clinical Immunology and Inflammation‐Immunopathology‐Biotherapy Department (I2B) Pitié‐Salpêtrière University Hospital, Assistance Publique‐Hôpitaux de Paris, East Paris Neuromuscular Diseases Reference Center, Inserm U974, Sorbonne Université Paris France