1. From the Department of Neurology, National Reference Center for ‘Rare Peripheral Neuropathies’, University Hospital, Limoges, France
2. Department of Neurology, ALS Reference Center, CHU Tours (Bretonneau Hospital), Tours, France
3. Department of Neurology, Cahors Hospital, Cahors, France
4. Department of Neurosciences, Imaging and Clinical Sciences, University “G. d’Annunzio”, Chieti-Pescara, Italy
5. Department of Neurology, Nerve-Muscle Unit, CHU Bordeaux (Pellegrin University Hospital), Bordeaux, France