CHRND mutation causes a congenital myasthenic syndrome by impairing co-clustering of the acetylcholine receptor with rapsyn. av Müller, J, Baumeister, S, Schara, U, Cossins, J, Krause, S, von der Hagen, M, Huebner, A, Webster, R, Beeson, D, Lochmüller, H, Abicht, A