Affiliation: | 1. Folkh?lsan Institute of Genetics and Department of Medical Genetics, Haartman Institute, University of Helsinki, Helsinki, Finland;2. Neuromuscular Research Center, University of Tampere and Tampere University Hospital, Tampere, Finland;3. Sein?joki Central Hospital, Department of Neurology, Sein?joki, Finland;4. Institute of Myology, National Reference Center for Neuromuscular Disorders, University Hospital of Salpêtrière, Paris, France;5. Unitat Patologia Neuromuscular, Servei Neurologia, Hospital Santa Creu i Sant Pau, Universitat Autònoma, Barcelona, Spain;6. Neuromuscular Unit, Neurology Department, Coimbra University Hospital, Coimbra, Portugal;7. Department of Child Neurology, Kuopio University Hospital, Kuopio, Finland;8. Department of Clinical Medicine, Neurology, University of Oulu and Clinical Research Center, Oulu University Hospital, Oulu, Finland;9. Généthon, Evry, France;10. Neurology Department, Vaasa Central Hospital, Vaasa, Finland |