Disease modeling of a mutation in α‐actinin 2 guides clinical therapy in hypertrophic cardiomyopathy by Prondzynski, M, Lemoine, MD, Zech, AT, Horváth, A, Di Mauro, V, Koivumäki, JT, Kresin, N, Busch, J, Krause, T, Krämer, E, Schlossarek, S, Spohn, M, Friedrich, FW, Münch, J, Laufer, SD, Redwood, C, Volk, AE, Hansen, A, Mearini, G, Catalucci, D, Meyer, C, Christ, T, Patten, M, Eschenhagen, T