Fig. 4

De novo (family 1) and presumed de novo (family 2) variants identified in the affected twin of family 1 (I-2-1) and the affected twin of family 2 (II-2-1)
De novo (family 1) and presumed de novo (family 2) variants identified in the affected twin of family 1 (I-2-1) and the affected twin of family 2 (II-2-1)