Author information:
(1)CHU Saint-Etienne, Hôpital Nord, Department of Neurology, Saint-Etienne 
F-42055, France; Rhône-Alpes Reference Center for Rare Neuromuscular Diseases, 
Saint-Etienne F-42055, France. Electronic address: 
alain.furby@chu-st-etienne.fr.
(2)Assistance Publique-Hôpitaux de Paris, National Reference Center for 
Neuromuscular Channelopathies, Hôpital Pitié-Salpêtrière, Paris 75013, France.
(3)CHU Saint-Etienne, Hôpital Nord, Department of Neurology, Saint-Etienne 
F-42055, France; Rhône-Alpes Reference Center for Rare Neuromuscular Diseases, 
Saint-Etienne F-42055, France.
(4)Assistance Publique-Hôpitaux de Paris, National Reference Center for 
Neuromuscular Channelopathies, Hôpital Pitié-Salpêtrière, Paris 75013, France; 
Université Pierre et Marie Curie-Paris VI, Department of Physiology, 75005 
Paris, France; CNRS-INSERM-UPMC UMR 1127-7225, Institut Cerveau Moelle, Hôpital 
Pitié-Salpêtrière, Paris 75013, France.
(5)Rhône-Alpes Reference Center for Rare Neuromuscular Diseases, Saint-Etienne 
F-42055, France; CHU Saint-Etienne, Hôpital Bellevue, Department of Paediatric 
Physical Medicine and Rehabilitation, Saint-Etienne F-42055, France.
(6)UMR Inserm U930, Université François Rabelais de Tours. CHRU de Tours, 
Service "Neuropédiatrie et Handicaps", Tours 37044, France.
(7)Rhône-Alpes Reference Center for Rare Neuromuscular Diseases, Saint-Etienne 
F-42055, France; CHU Saint-Etienne, Hôpital Nord, Paediatric Intensive Care 
Unit, Saint-Etienne F-42055, France.
(8)Assistance Publique-Hôpitaux de Paris, National Reference Center for 
Neuromuscular Channelopathies, Hôpital Pitié-Salpêtrière, Paris 75013, France; 
CNRS-INSERM-UPMC UMR 1127-7225, Institut Cerveau Moelle, Hôpital 
Pitié-Salpêtrière, Paris 75013, France; Assistance Publique-Hôpitaux de Paris, 
Service de Biochimie Métabolique, Centre de Génétique, Groupe Hospitalier 
Pitié-Salpêtrière Charles Foix, Paris 75013, France.
(9)Rhône-Alpes Reference Center for Rare Neuromuscular Diseases, Saint-Etienne 
F-42055, France; CHU Saint-Etienne, Hôpital Nord, Department of Genetics, 
Saint-Etienne F-42055, France.
(10)Assistance Publique-Hôpitaux de Paris, National Reference Center for 
Neuromuscular Channelopathies, Hôpital Pitié-Salpêtrière, Paris 75013, France; 
CNRS-INSERM-UPMC UMR 1127-7225, Institut Cerveau Moelle, Hôpital 
Pitié-Salpêtrière, Paris 75013, France.