1 Neuromuscular Reference Centre ERN EURO-NMD and Research Group on NMD and Ataxias, IIS La Fe and CIBERER, Hospital Universitari i Politècnic La Fe, Avenida Fernando Abril Martorell 106, floor 5, tower C, 46026, Valencia, Spain. Electronic address: martinez_lauvic@gva.es.
2 Neuromuscular Reference Centre ERN EURO-NMD and Research Group on NMD and Ataxias, IIS La Fe and CIBERER, Hospital Universitari i Politècnic La Fe, Avenida Fernando Abril Martorell 106, floor 5, tower C, 46026, Valencia, Spain.
3 IDIBELL, Hospital Universitari de Bellvitge, Carrer de la Feixa Llarga, s/n, 08907 L'Hospitalet de Llobregat. Barcelona, Spain. Electronic address: molive@bellvitgehospital.cat.
4 Neuromuscular Reference Centre ERN EURO-NMD and Research Group on NMD and Ataxias, IIS La Fe and CIBERER, Hospital Universitari i Politècnic La Fe, Avenida Fernando Abril Martorell 106, floor 5, tower C, 46026, Valencia, Spain. Electronic address: juan.vilchez@uv.es.